diff --git a/assets/css/styles.scss b/assets/css/styles.scss
index 7aa80149a..20c3c6781 100644
--- a/assets/css/styles.scss
+++ b/assets/css/styles.scss
@@ -1,15 +1,8 @@
-:root {
-  --bg-color: #121212;
-  --fg-color: #FFF;
-  --ac-color: #51FF0D;
-  --err-color: #393939;
-}
-
 $responsiveWidth: 720px;
 
 ::selection {
   background-color: var(--ac-color);
-  color: var(--bg-color);
+  color: var(--act-color);
 }
 
 ::-webkit-scrollbar {
@@ -106,7 +99,7 @@ button {
   padding: 8px 16px;
   border-radius: 4px;
   background-color: var(--ac-color);
-  color: var(--bg-color);
+  color: var(--act-color);
   font-weight: 700;
   font-size: 16px;
   cursor: pointer;
@@ -128,55 +121,55 @@ fieldset textarea, fieldset pre {
   resize: vertical;
 }
 
-fieldset.request {
+fieldset.blue {
   border-color: #57b5f9;
 }
 
-fieldset.request legend {
+fieldset.blue legend {
   color: #57b5f9;
 }
 
-fieldset.history {
+fieldset.gray {
   border-color: #9B9B9B;
 }
 
-fieldset.history legend {
+fieldset.gray legend {
   color: #9B9B9B;
 }
 
-fieldset.authentication {
+fieldset.green {
   border-color: #B8E986;
 }
 
-fieldset.authentication legend {
+fieldset.green legend {
   color: #B8E986;
 }
 
-fieldset.parameters {
+fieldset.cyan {
   border-color: #50E3C2;
 }
 
-fieldset.parameters legend {
+fieldset.cyan legend {
   color: #50E3C2;
 }
 
-fieldset.reqbody {
+fieldset.blue-dark {
   border-color: #4A90E2;
 }
 
-fieldset.reqbody legend {
+fieldset.blue-dark legend {
   color: #4A90E2;
 }
 
-fieldset.response {
+fieldset.purple {
   border-color: #C198FB;
 }
 
-fieldset.response legend {
+fieldset.purple legend {
   color: #C198FB;
 }
 
-.hidden .collapsible {
+.collapsible.hidden {
   display: none;
 }
 
@@ -189,13 +182,28 @@ pre {
   padding: 8px 16px;
   width: calc(100% - 8px);
   border-radius: 4px;
-  background-color: #000;
+  background-color: var(--bg-dark-color);
   color: var(--fg-color);
   font-weight: 700;
   font-size: 18px;
   font-family: monospace;
 }
 
+// Force the same height, for dropdowns and regular input boxes.
+select,
+input,
+option {
+  height: 38px;
+}
+
+input[type="checkbox"] {
+  width: initial;
+
+  &, & + label {
+    vertical-align: middle;
+  }
+}
+
 .error {
   background-color: var(--err-color);
 }
diff --git a/assets/css/themes.scss b/assets/css/themes.scss
new file mode 100644
index 000000000..11606549b
--- /dev/null
+++ b/assets/css/themes.scss
@@ -0,0 +1,39 @@
+/**
+  Main Themes:
+
+  - dark (default)
+  - light
+ */
+
+// Dark is the default theme variant.
+:root {
+  --bg-dark-color: #000000;
+  // Background color
+  --bg-color: #121212;
+  // Text color
+  --fg-color: #FFF;
+
+  // Error color
+  --err-color: #393939;
+
+  // Active color
+  --ac-color: #51FF0D;
+  // Active text color
+  --act-color: #121212;
+}
+
+:root.light {
+  --bg-dark-color: #ffffff;
+  // Background color
+  --bg-color: #F6F8FA;
+  // Text color
+  --fg-color: #121212;
+
+  // Error color
+  --err-color: invert(#393939, 1);
+
+  // Active color
+  --ac-color: #51FF0D;
+  // Active text color
+  --act-color: #121212;
+}
\ No newline at end of file
diff --git a/components/logo.vue b/components/logo.vue
new file mode 100644
index 000000000..d3af5f4a7
--- /dev/null
+++ b/components/logo.vue
@@ -0,0 +1,29 @@
+<template>
+    <svg version="1.1" id="Capa_1" x="0px" y="0px" viewBox="0 0 612.001 612.001" style="enable-background:new 0 0 612.001 612.001;" xml:space="preserve">
+            <defs id="defs11" />
+            <g id="g3826" transform="translate(-516.40798,-163.88978)">
+                <circle transform="scale(1,-1)" style="stroke-width:1.19531453" r="178.70923" cy="-501.55591" cx="822.40845" id="circle3814" />
+                <g id="g3820" transform="translate(516.40798,163.89028)">
+                    <g id="g3818">
+                        <path :fill="color" id="path3816" data-old_color="#121212" class="active-path" data-original="#121212" d="M 64.601,236.822 C 64.601,394.256 192.786,612 306.001,612 412.582,612 547.4,394.256 547.4,236.822 547.4,79.388 439.322,0 306,0 172.678,0 64.601,79.388 64.601,236.822 Z m 304.12,116.415 c 29.475,-29.475 70.598,-40.195 108.552,-32.173 8.021,37.954 -2.698,79.077 -32.173,108.552 -29.475,29.475 -70.598,40.195 -108.552,32.173 -8.022,-37.955 2.698,-79.078 32.173,-108.552 z M 134.727,321.063 c 37.954,-8.021 79.077,2.698 108.552,32.173 29.475,29.475 40.195,70.598 32.173,108.552 -37.954,8.021 -79.077,-2.698 -108.552,-32.173 -29.475,-29.476 -40.194,-70.598 -32.173,-108.552 z" />
+                    </g>
+                </g>
+            </g>
+    </svg>
+</template>
+
+<style>
+    #path3816 {
+        fill: var(--ac-color);
+    }
+</style>
+
+<script>
+    export default {
+        props: {
+            'color': {
+                type: String
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/components/section.vue b/components/section.vue
new file mode 100644
index 000000000..4d2af5b5e
--- /dev/null
+++ b/components/section.vue
@@ -0,0 +1,47 @@
+<template>
+    <fieldset :class="{ 'no-colored-frames': noFrameColors }">
+        <legend @click.prevent="collapse">{{ label }} ↕</legend>
+        <div class="collapsible" :class="{ hidden: collapsed }">
+            <slot />
+        </div>
+    </fieldset>
+</template>
+
+<style>
+    fieldset.no-colored-frames {
+        border-color: #afafaf !important;
+    }
+
+    fieldset.no-colored-frames legend {
+        color: var(--ac-color);
+    }
+</style>
+
+<script>
+    export default {
+
+        computed: {
+            noFrameColors () {
+                return this.$store.state.postwoman.settings.DISABLE_FRAME_COLORS || false;
+            }
+        },
+
+        props: {
+            "label": {
+                type: String,
+                default: "Section"
+            },
+            "collapsed": {
+                type: Boolean
+            }
+        },
+
+        methods: {
+            collapse({ target }) {
+                const parent = target.parentNode;
+                parent.querySelector(".collapsible").classList.toggle('hidden');
+            },
+        }
+
+    }
+</script>
\ No newline at end of file
diff --git a/components/settings/swatch.vue b/components/settings/swatch.vue
new file mode 100644
index 000000000..262c718f2
--- /dev/null
+++ b/components/settings/swatch.vue
@@ -0,0 +1,67 @@
+<template>
+    <div class="color" :data-color="color">
+        <span :style="{backgroundColor: color}" class="preview">
+            <svg v-if="active" class="activeTick" width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd"><path d="M21 6.285l-11.16 12.733-6.84-6.018 1.319-1.49 5.341 4.686 9.865-11.196 1.475 1.285z"/></svg>
+        </span>
+        {{ name || color }}
+    </div>
+</template>
+
+<style lang="scss">
+    .color {
+        display: inline-block;
+        vertical-align: middle;
+
+        padding: 8px 15px;
+        margin: 5px;
+        background-color: rgba(93, 93, 93, 0.2);
+        border-radius: 4px;
+
+        &.active {
+            background-color: rgba(93, 93, 93, 0.3);
+        }
+
+        .preview {
+            vertical-align: middle;
+            display: inline-block;
+            width: 36px;
+            height: 36px;
+            border-radius: 100%;
+            margin-right: 10px;
+
+            position: relative;
+            .activeTick {
+                position: absolute;
+                top: 50%;
+                left: 50%;
+                transform: translate(-50%, -50%);
+                fill: white;
+            }
+        }
+    }
+
+    .color.vibrant {
+        .preview .activeTick {
+            fill: black;
+        }
+    }
+</style>
+
+<script>
+    export default {
+        props: {
+            'color': {
+                type: String,
+                required: true
+            },
+            'name': {
+                type: String
+            },
+
+            'active': {
+                type: Boolean,
+                default: false
+            }
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/layouts/default.vue b/layouts/default.vue
index 9b9fd5f12..10af963b6 100644
--- a/layouts/default.vue
+++ b/layouts/default.vue
@@ -3,7 +3,7 @@
     <header>
       <div class="slide-in">
         <nuxt-link to="/">
-          <h1 class="logo"><img src="~static/icons/logo.svg" alt="" style="height: 24px; margin-right: 16px">Postwoman</h1>
+          <h1 class="logo"><logo alt="" style="height: 24px; margin-right: 16px"/>Postwoman</h1>
         </nuxt-link>
         <h3>Lightweight API request builder</h3>
       </div>
@@ -23,7 +23,10 @@
     <nuxt id="main" />
 
     <footer>
-      <a href="https://github.com/liyasthomas/postwoman" target="_blank"><img src="~static/icons/github.svg" alt="" style="margin-right: 16px">GitHub</a>
+      <div>
+        <a href="https://github.com/liyasthomas/postwoman" target="_blank"><img src="~static/icons/github.svg" alt="" style="margin-right: 16px">GitHub</a>
+      </div>
+
       <button id="installPWA" @click.prevent="showInstallPrompt()">
         Install PWA
       </button>
@@ -62,12 +65,12 @@
       display: inline-block;
       position: relative;
       padding: 8px 16px;
-      fill: white;
-      color: white;
+      fill: var(--fg-color);
+      color: var(--fg-color);
 
       &.nuxt-link-exact-active {
-        color: black;
-        fill: black;
+        color: var(--act-color);
+        fill: var(--act-color);
         &:before { width: 100%; height: 100% }
       }
 
@@ -98,8 +101,13 @@
 
 <script>
   import intializePwa from '../assets/js/pwa';
+  import logo from "../components/logo";
 
   export default {
+    components: {
+      logo
+    },
+
     data () {
       return {
         // Once the PWA code is initialized, this holds a method
@@ -109,6 +117,22 @@
       }
     },
 
+    beforeMount () {
+      // Load theme settings
+      (() => {
+        // Apply theme from settings.
+        document.documentElement.className = this.$store.state.postwoman.settings.THEME_CLASS || '';
+
+        // Load theme color data from settings, or use default color.
+        let color = this.$store.state.postwoman.settings.THEME_COLOR || '#51FF0D';
+        let vibrant = this.$store.state.postwoman.settings.THEME_COLOR_VIBRANT;
+        if(vibrant == null) vibrant = true;
+
+        document.documentElement.style.setProperty('--ac-color', color);
+        document.documentElement.style.setProperty('--act-color', vibrant ? '#121212' : '#fff');
+      })();
+    },
+
     mounted () {
       // Initializes the PWA code - checks if the app is installed,
       // etc.
diff --git a/nuxt.config.js b/nuxt.config.js
index 60240633b..02338d04d 100644
--- a/nuxt.config.js
+++ b/nuxt.config.js
@@ -86,10 +86,12 @@ export default {
   ** Customize the progress-bar color
   */
   loading: { color: '#88FB4F' },
+
   /*
   ** Global CSS
   */
   css: [
+    '@/assets/css/themes.scss',
     '@/assets/css/fonts.scss',
     '@/assets/css/styles.scss'
   ],
@@ -97,6 +99,7 @@ export default {
   ** Plugins to load before mounting the App
   */
   plugins: [
+    { src: '~/plugins/vuex-persist' }
   ],
   /*
   ** Nuxt.js dev-modules
diff --git a/package-lock.json b/package-lock.json
index d99f5a3bc..a4a37c695 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4410,6 +4410,11 @@
         "locate-path": "^3.0.0"
       }
     },
+    "flatted": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
+      "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg=="
+    },
     "flatten": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/flatten/-/flatten-1.0.2.tgz",
@@ -5731,6 +5736,11 @@
       "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
       "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4="
     },
+    "lodash.merge": {
+      "version": "4.6.2",
+      "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.2.tgz",
+      "integrity": "sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ=="
+    },
     "lodash.template": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-4.5.0.tgz",
@@ -9992,6 +10002,15 @@
       "resolved": "https://registry.npmjs.org/vuex/-/vuex-3.1.1.tgz",
       "integrity": "sha512-ER5moSbLZuNSMBFnEBVGhQ1uCBNJslH9W/Dw2W7GZN23UQA69uapP5GTT9Vm8Trc0PzBSVt6LzF3hGjmv41xcg=="
     },
+    "vuex-persist": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/vuex-persist/-/vuex-persist-2.0.1.tgz",
+      "integrity": "sha512-V3WSBYmxcAP6ei0VVt2lxGloeWJZgk1Ao4r+iOxLMhAv+UYIK91qbjwvqk6Xr3tAi052jzSwn8aoamtuz8ArsQ==",
+      "requires": {
+        "flatted": "^2.0.0",
+        "lodash.merge": "^4.6.1"
+      }
+    },
     "watchpack": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
diff --git a/package.json b/package.json
index 698c84f3d..0230a2b48 100644
--- a/package.json
+++ b/package.json
@@ -11,8 +11,9 @@
     "generate": "nuxt generate"
   },
   "dependencies": {
+    "@nuxtjs/pwa": "^3.0.0-0",
     "nuxt": "^2.0.0",
-    "@nuxtjs/pwa": "^3.0.0-0"
+    "vuex-persist": "^2.0.1"
   },
   "devDependencies": {
     "node-sass": "^4.12.0",
diff --git a/pages/index.vue b/pages/index.vue
index 4be215994..a387a185b 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -1,196 +1,183 @@
 <template>
   <div class="page">
 
-    <fieldset class="request" ref="request">
-      <legend v-on:click="collapse">Request ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label for="method">Method</label>
-            <select v-model="method">
-              <option>GET</option>
-              <option>POST</option>
-              <option>PUT</option>
-              <option>DELETE</option>
-              <option>OPTIONS</option>
-            </select>
-          </li>
-          <li>
-            <label for="url">URL</label>
-            <input type="url" v-bind:class="{ error: urlNotValid }" v-model="url" v-on:keyup.enter="sendRequest">
-          </li>
-          <li>
-            <label for="path">Path</label>
-            <input v-model="path" v-on:keyup.enter="sendRequest">
-          </li>
-          <li>
-            <label for="action">&nbsp;</label>
-            <button v-bind:class="{ disabled: urlNotValid }" name="action" @click="sendRequest">Send</button>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
-    <fieldset class="reqbody" v-if="method === 'POST' || method === 'PUT'">
-      <legend v-on:click="collapse">Request Body ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label>Content Type</label>
-            <select v-model="contentType">
-              <option>application/json</option>
-              <option>www-form/urlencoded</option>
-            </select>
-          </li>
-        </ul>
-        <ol v-for="(param, index) in bodyParams">
-          <li>
-            <label :for="'bparam'+index">Key {{index + 1}}</label>
-            <input :name="'bparam'+index" v-model="param.key">
-          </li>
-          <li>
-            <label :for="'bvalue'+index">Value {{index + 1}}</label>
-            <input :name="'bvalue'+index" v-model="param.value">
-          </li>
-          <li>
-            <label for="request">&nbsp;</label>
-            <button name="request" @click="removeRequestBodyParam(index)">Remove</button>
-          </li>
-        </ol>
-        <ul>
-          <li>
-            <label for="addrequest">Action</label>
-            <button name="addrequest" @click="addRequestBodyParam">Add</button>
-          </li>
-        </ul>
-        <ul>
-          <li>
-            <label for="request">Parameter List</label>
-            <textarea name="request" rows="1" readonly>{{rawRequestBody || '(add at least one parameter)'}}</textarea>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
-    <fieldset class="authentication hidden">
-      <legend v-on:click="collapse">Authentication ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label for="auth">Authentication Type</label>
-            <select v-model="auth">
-              <option>None</option>
-              <option>Basic</option>
-              <option>Bearer Token</option>
-            </select>
-          </li>
-        </ul>
-        <ul v-if="auth === 'Basic'">
-          <li>
-            <label for="http_basic_user">User</label>
-            <input v-model="httpUser">
-          </li>
-          <li>
-            <label for="http_basic_passwd">Password</label>
-            <input v-model="httpPassword" type="password">
-          </li>
-        </ul>
-        <ul v-if="auth === 'Bearer Token'">
-          <li>
-            <label for="bearer_token">Token</label>
-            <input v-model="bearerToken">
-          </li>
-        </ul>
-      </div>
-    </fieldset>
-    <fieldset class="parameters hidden">
-      <legend v-on:click="collapse">Parameters ↕</legend>
-      <div class="collapsible">
-        <ol v-for="(param, index) in params">
-          <li>
-            <label :for="'param'+index">Key {{index + 1}}</label>
-            <input :name="'param'+index" v-model="param.key">
-          </li>
-          <li>
-            <label :for="'value'+index">Value {{index + 1}}</label>
-            <input :name="'value'+index" v-model="param.value">
-          </li>
-          <li>
-            <label for="param">&nbsp;</label>
-            <button name="param" @click="removeRequestParam(index)">Remove</button>
-          </li>
-        </ol>
-        <ul>
-          <li>
-            <label for="add">Action</label>
-            <button name="add" @click="addRequestParam">Add</button>
-          </li>
-        </ul>
-        <ul>
-          <li>
-            <label for="request">Parameter List</label>
-            <textarea name="request" rows="1" readonly>{{queryString || '(add at least one parameter)'}}</textarea>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
-    <fieldset class="response" id="response" ref="response">
-      <legend v-on:click="collapse">Response ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label for="status">status</label>
-            <input name="status" type="text" readonly :value="response.status || '(waiting to send request)'">
-          </li>
-        </ul>
-        <ul v-for="(value, key) in response.headers">
-          <li>
-            <label for="value">{{key}}</label>
-            <input name="value" :value="value" readonly>
-          </li>
-        </ul>
-        <ul>
-          <li>
-            <label for="body">response</label>
-            <textarea name="body" rows="10" readonly>{{response.body || '(waiting to send request)'}}</textarea>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
-    <fieldset class="history">
-      <legend v-on:click="collapse">History ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <button v-bind:class="{ disabled: noHistoryToClear }" v-on:click="clearHistory">Clear History</button>
-          </li>
-        </ul>
-        <ul v-for="entry in history">
-          <li>
-            <label for="time">Time</label>
-            <input name="time" type="text" readonly :value="entry.time">
-          </li>
-          <li>
-            <label for="name">Method</label>
-            <input name="name" type="text" readonly :value="entry.method">
-          </li>
-          <li>
-            <label for="name">URL</label>
-            <input name="name" type="text" readonly :value="entry.url">
-          </li>
-          <li>
-            <label for="name">Path</label>
-            <input name="name" type="text" readonly :value="entry.path">
-          </li>
-          <li>
-            <label for="delete">&nbsp;</label>
-            <button name="delete" @click="deleteHistory(entry)">Delete</button>
-          </li>
-          <li>
-            <label for="use">&nbsp;</label>
-            <button name="use" @click="useHistory(entry)">Use</button>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
+    <pw-section class="blue" label="Request" ref="request">
+      <ul>
+        <li>
+          <label for="method">Method</label>
+          <select id="method" v-model="method">
+            <option>GET</option>
+            <option>POST</option>
+            <option>PUT</option>
+            <option>DELETE</option>
+            <option>OPTIONS</option>
+          </select>
+        </li>
+        <li>
+          <label for="url">URL</label>
+          <input id="url" type="url" v-bind:class="{ error: urlNotValid }" v-model="url" v-on:keyup.enter="sendRequest">
+        </li>
+        <li>
+          <label for="path">Path</label>
+          <input id="path" v-model="path" v-on:keyup.enter="sendRequest">
+        </li>
+        <li>
+          <label for="action">&nbsp;</label>
+          <button id="action" v-bind:class="{ disabled: urlNotValid }" name="action" @click="sendRequest">Send</button>
+        </li>
+      </ul>
+    </pw-section>
+
+    <pw-section class="blue-dark" label="Request Body" v-if="method === 'POST' || method === 'PUT'">
+      <ul>
+        <li>
+          <label>Content Type</label>
+          <select v-model="contentType">
+            <option>application/json</option>
+            <option>www-form/urlencoded</option>
+          </select>
+        </li>
+      </ul>
+      <ol v-for="(param, index) in bodyParams">
+        <li>
+          <label :for="'bparam'+index">Key {{index + 1}}</label>
+          <input :name="'bparam'+index" v-model="param.key">
+        </li>
+        <li>
+          <label :for="'bvalue'+index">Value {{index + 1}}</label>
+          <input :name="'bvalue'+index" v-model="param.value">
+        </li>
+        <li>
+          <label for="request">&nbsp;</label>
+          <button name="request" @click="removeRequestBodyParam(index)">Remove</button>
+        </li>
+      </ol>
+      <ul>
+        <li>
+          <label for="addrequest">Action</label>
+          <button name="addrequest" @click="addRequestBodyParam">Add</button>
+        </li>
+      </ul>
+      <ul>
+        <li>
+          <label for="request">Parameter List</label>
+          <textarea name="request" rows="1" readonly>{{rawRequestBody || '(add at least one parameter)'}}</textarea>
+        </li>
+      </ul>
+    </pw-section>
+
+    <pw-section class="green" label="Authentication" collapsed>
+      <ul>
+        <li>
+          <label for="auth">Authentication Type</label>
+          <select v-model="auth">
+            <option>None</option>
+            <option>Basic</option>
+            <option>Bearer Token</option>
+          </select>
+        </li>
+      </ul>
+      <ul v-if="auth === 'Basic'">
+        <li>
+          <label for="http_basic_user">User</label>
+          <input v-model="httpUser">
+        </li>
+        <li>
+          <label for="http_basic_passwd">Password</label>
+          <input v-model="httpPassword" type="password">
+        </li>
+      </ul>
+      <ul v-if="auth === 'Bearer Token'">
+        <li>
+          <label for="bearer_token">Token</label>
+          <input v-model="bearerToken">
+        </li>
+      </ul>
+    </pw-section>
+
+    <pw-section class="cyan" label="Parameters" collapsed>
+      <ol v-for="(param, index) in params">
+        <li>
+          <label :for="'param'+index">Key {{index + 1}}</label>
+          <input :name="'param'+index" v-model="param.key">
+        </li>
+        <li>
+          <label :for="'value'+index">Value {{index + 1}}</label>
+          <input :name="'value'+index" v-model="param.value">
+        </li>
+        <li>
+          <label for="param">&nbsp;</label>
+          <button name="param" @click="removeRequestParam(index)">Remove</button>
+        </li>
+      </ol>
+      <ul>
+        <li>
+          <label for="add">Action</label>
+          <button name="add" @click="addRequestParam">Add</button>
+        </li>
+      </ul>
+      <ul>
+        <li>
+          <label for="request">Parameter List</label>
+          <textarea name="request" rows="1" readonly>{{queryString || '(add at least one parameter)'}}</textarea>
+        </li>
+      </ul>
+    </pw-section>
+
+    <pw-section class="purple" label="Response" id="response" ref="response">
+      <ul>
+        <li>
+          <label for="status">status</label>
+          <input name="status" type="text" readonly :value="response.status || '(waiting to send request)'">
+        </li>
+      </ul>
+      <ul v-for="(value, key) in response.headers">
+        <li>
+          <label for="value">{{key}}</label>
+          <input name="value" :value="value" readonly>
+        </li>
+      </ul>
+      <ul>
+        <li>
+          <label for="body">response</label>
+          <textarea name="body" rows="10" readonly>{{response.body || '(waiting to send request)'}}</textarea>
+        </li>
+      </ul>
+    </pw-section>
+
+    <pw-section class="gray" label="History">
+      <ul>
+        <li>
+          <button v-bind:class="{ disabled: noHistoryToClear }" v-on:click="clearHistory">Clear History</button>
+        </li>
+      </ul>
+      <ul v-for="entry in history">
+        <li>
+          <label for="time">Time</label>
+          <input name="time" type="text" readonly :value="entry.time">
+        </li>
+        <li>
+          <label for="name">Method</label>
+          <input name="name" type="text" readonly :value="entry.method">
+        </li>
+        <li>
+          <label for="name">URL</label>
+          <input name="name" type="text" readonly :value="entry.url">
+        </li>
+        <li>
+          <label for="name">Path</label>
+          <input name="name" type="text" readonly :value="entry.path">
+        </li>
+        <li>
+          <label for="delete">&nbsp;</label>
+          <button name="delete" @click="deleteHistory(entry)">Delete</button>
+        </li>
+        <li>
+          <label for="use">&nbsp;</label>
+          <button name="use" @click="useHistory(entry)">Use</button>
+        </li>
+      </ul>
+    </pw-section>
 
   </div>
 </template>
@@ -208,7 +195,13 @@
       return headerMap
   };
 
+  import section from "../components/section";
+
   export default {
+    components: {
+      'pw-section': section
+    },
+
       data () {
           return {
               method: 'GET',
@@ -295,16 +288,10 @@
               this.method = method
               this.url = url
               this.path = path
-              this.$refs.request.scrollIntoView({
+              this.$refs.request.$el.scrollIntoView({
                   behavior: 'smooth'
               })
           },
-          collapse({
-                       target
-                   }) {
-              const el = target.parentNode.className
-              document.getElementsByClassName(el)[0].classList.toggle('hidden')
-          },
           sendRequest() {
               if (this.urlNotValid) {
                   alert('Please check the formatting of the URL')
@@ -318,10 +305,10 @@
                   path: this.path
               }, ...this.history]
               window.localStorage.setItem('history', JSON.stringify(this.history))
-              if (this.$refs.response.classList.contains('hidden')) {
-                  this.$refs.response.classList.toggle('hidden')
+              if (this.$refs.response.$el.classList.contains('hidden')) {
+                  this.$refs.response.$el.classList.toggle('hidden')
               }
-              this.$refs.response.scrollIntoView({
+              this.$refs.response.$el.scrollIntoView({
                   behavior: 'smooth'
               })
               this.response.status = 'Fetching...'
diff --git a/pages/settings.vue b/pages/settings.vue
index af9fa97fa..bb34e09d5 100644
--- a/pages/settings.vue
+++ b/pages/settings.vue
@@ -1,3 +1,126 @@
 <template>
+    <div class="page">
 
-</template>
\ No newline at end of file
+        <pw-section class="blue" label="Theme">
+            <ul>
+                <li>
+                    <h3>Background</h3>
+                    <div class="backgrounds">
+                        <span v-for="theme in themes" :key="theme.class" @click="applyTheme(theme.class)">
+                            <swatch :color="theme.color" :name="theme.name" :class="{ vibrant: theme.vibrant }" :active="settings.THEME_CLASS === theme.class"></swatch>
+                        </span>
+                    </div>
+
+                </li>
+            </ul>
+
+            <br><br>
+
+            <ul>
+                <li>
+
+                    <h3>Color</h3>
+                    <div class="colors">
+                        <span v-for="entry in colors" :key="entry.color"
+                              @click.prevent="setActiveColor(entry.color, entry.vibrant)">
+                            <swatch
+                                :color="entry.color"
+                                :name="entry.name"
+                                :class="{ vibrant: entry.vibrant }"
+                                :active="settings.THEME_COLOR === entry.color.toUpperCase()" />
+                        </span>
+                    </div>
+
+                    <p>
+                        <input id="disableFrameColors" type="checkbox"
+                              :checked="!settings.DISABLE_FRAME_COLORS"
+                              @change="toggleSetting('DISABLE_FRAME_COLORS')">
+                        <label for="disableFrameColors">Enable multi-colored frames</label>
+                    </p>
+                </li>
+            </ul>
+        </pw-section>
+
+    </div>
+</template>
+
+<script>
+    import section from "../components/section";
+    import swatch from "../components/settings/swatch";
+
+    export default {
+        data () {
+            return {
+                // NOTE:: You need to first set the CSS for your theme in /assets/css/themes.scss
+                //        You should copy the existing light theme as a template and then just
+                //        set the relevant values.
+                themes: [
+                    { "color": "#121212", "name": "Dark (Default)", "class": "" },
+                    { "color": "#DFDFDF", "name": "Light", "vibrant": true, "class": "light" }
+                ],
+
+                // You can define a new color here! It will simply store the color value.
+                colors: [
+                    // If the color is vibrant, black is used as the active foreground color.
+                    { "color": "#51ff0d", "name":"Lime (Default)", "vibrant": true },
+                    { "color": "#FFC107", "name":"Yellow", "vibrant": true },
+                    { "color": "#E91E63", "name":"Pink", "vibrant": false },
+                    { "color": "#e74c3c", "name":"Red", "vibrant": false },
+                    { "color": "#9b59b6", "name":"Purple", "vibrant": false },
+                    { "color": "#2980b9", "name":"Blue", "vibrant": false },
+                ],
+                settings: {
+                    THEME_CLASS: this.$store.state.postwoman.settings.THEME_CLASS || '',
+                    THEME_COLOR: '',
+                    THEME_COLOR_VIBRANT: true,
+
+                    DISABLE_FRAME_COLORS: this.$store.state.postwoman.settings.DISABLE_FRAME_COLORS || false
+                }
+            }
+        },
+
+        components: {
+            'pw-section': section,
+            'swatch': swatch
+        },
+
+        methods: {
+            applyTheme (name) {
+                this.applySetting('THEME_CLASS', name);
+                document.documentElement.className = name;
+            },
+
+            setActiveColor (color, vibrant) {
+                // By default, the color is vibrant.
+                if(vibrant == null) vibrant = true;
+
+                document.documentElement.style.setProperty('--ac-color', color);
+                document.documentElement.style.setProperty('--act-color', vibrant ? '#121212' : '#fff');
+
+                this.applySetting('THEME_COLOR', color.toUpperCase());
+                this.applySetting('THEME_COLOR_VIBRANT', vibrant);
+            },
+
+            getActiveColor () {
+                // This strips extra spaces and # signs from the strings.
+                const strip = (str) => str.replace(/#/g, '').replace(/ /g, '');
+
+                return `#${strip(window.getComputedStyle(document.documentElement).getPropertyValue('--ac-color')).toUpperCase()}`;
+            },
+
+            applySetting (key, value) {
+                this.settings[key] = value;
+                this.$store.commit('postwoman/applySetting', [key, value]);
+            },
+
+            toggleSetting (key) {
+                this.settings[key] = !this.settings[key];
+                this.$store.commit('postwoman/applySetting', [key, this.settings[key]]);
+            }
+        },
+
+        beforeMount () {
+            this.settings.THEME_COLOR = this.getActiveColor();
+        }
+    }
+</script>
\ No newline at end of file
diff --git a/pages/websocket.vue b/pages/websocket.vue
index ec7e89bf9..d3369c5d6 100644
--- a/pages/websocket.vue
+++ b/pages/websocket.vue
@@ -1,50 +1,44 @@
 <template>
   <div class="page">
 
-    <fieldset class="request" ref="request">
-      <legend v-on:click="collapse">Request ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label for="url">URL</label>
-            <input type="url" :class="{ error: !urlValid }" v-model="url" @keyup.enter="toggleConnection">
-          </li>
-          <li class="no-grow">
-            <label for="action">&nbsp;</label>
-            <button class="action" :class="{ disabled: !urlValid }" name="action" @click="toggleConnection">{{ toggleConnectionVerb }}</button>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
+    <pw-section class="blue" label="Request" ref="request">
+      <ul>
+        <li>
+          <label for="url">URL</label>
+          <input type="url" :class="{ error: !urlValid }" v-model="url" @keyup.enter="toggleConnection">
+        </li>
+        <li class="no-grow">
+          <label for="action">&nbsp;</label>
+          <button class="action" :class="{ disabled: !urlValid }" name="action" @click="toggleConnection">{{ toggleConnectionVerb }}</button>
+        </li>
+      </ul>
+    </pw-section>
 
-    <fieldset class="response" id="response" ref="response">
-      <legend v-on:click="collapse">Communication ↕</legend>
-      <div class="collapsible">
-        <ul>
-          <li>
-            <label for="body">Log</label>
-            <div name="body" class="body" readonly>
+    <pw-section class="purple" label="Communication" id="response" ref="response">
+      <ul>
+        <li>
+          <label for="body">Log</label>
+          <div name="body" class="body" readonly>
               <span v-if="communication.log">
                 <span v-for="logEntry in communication.log" :style="{ color: logEntry.color }">{{ getSourcePrefix(logEntry.source) }} {{ logEntry.payload }}</span>
               </span>
-              <span v-else>(Waiting for connection...)</span>
-            </div>
-          </li>
-        </ul>
+            <span v-else>(Waiting for connection...)</span>
+          </div>
+        </li>
+      </ul>
 
-        <ul>
-          <li>
-            <label for="status">Message</label>
-            <input name="status" type="text" v-model="communication.input" :readonly="!connectionState" @keyup.enter="sendMessage">
-          </li>
+      <ul>
+        <li>
+          <label for="status">Message</label>
+          <input name="status" type="text" v-model="communication.input" :readonly="!connectionState" @keyup.enter="sendMessage">
+        </li>
 
-          <li class="no-grow">
-            <label for="send">&nbsp;</label>
-            <button class="action" name="send" :class="{ disabled: !connectionState }" @click="sendMessage">Send</button>
-          </li>
-        </ul>
-      </div>
-    </fieldset>
+        <li class="no-grow">
+          <label for="send">&nbsp;</label>
+          <button class="action" name="send" :class="{ disabled: !connectionState }" @click="sendMessage">Send</button>
+        </li>
+      </ul>
+    </pw-section>
   </div>
 </template>
 
@@ -61,7 +55,7 @@
     padding: 8px 16px;
     width: calc(100% - 8px);
     border-radius: 4px;
-    background-color: #000;
+    background-color: var(--bg-dark-color);
     color: var(--fg-color);
     height: 300px;
     overflow: auto;
@@ -80,146 +74,152 @@
 </style>
 
 <script>
+  import section from "../components/section";
+
   export default {
 
-      data () {
-        return {
-          connectionState: false,
-          url: "wss://echo.websocket.org",
-          socket: null,
+    components: {
+      'pw-section': section
+    },
 
-          communication: {
-            log: null,
-            input: ""
-          }
-        }
-      },
+    data () {
+      return {
+        connectionState: false,
+        url: "wss://echo.websocket.org",
+        socket: null,
 
-      computed: {
-        toggleConnectionVerb () {
-            return !this.connectionState ? "Connect" : "Disconnect";
-        },
-
-        urlValid () {
-            const pattern = new RegExp('^(wss?:\\/\\/)?' +
-                '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' +
-                '((\\d{1,3}\\.){3}\\d{1,3}))' +
-                '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' +
-                '(\\?[;&a-z\\d%_.~+=-]*)?' +
-                '(\\#[-a-z\\d_]*)?$', 'i');
-            return pattern.test(this.url);
-        }
-      },
-
-      methods: {
-        toggleConnection () {
-          // If it is connecting:
-          if(!this.connectionState) return this.connect();
-
-          // Otherwise, it's disconnecting.
-          else return this.disconnect();
-        },
-
-        connect () {
-          this.communication.log = [
-            {
-              payload: `Connecting to ${this.url}...`,
-              source: 'info',
-              color: 'lime'
-            }
-          ];
-
-          try {
-              this.socket = new WebSocket(this.url);
-
-              this.socket.onopen = (event) => {
-                  this.connectionState = true;
-
-                  this.communication.log = [
-                      {
-                          payload: `Connected to ${this.url}.`,
-                          source: 'info',
-                          color: 'lime'
-                      }
-                  ];
-              };
-
-              this.socket.onerror = (event) => {
-                  this.handleError();
-              };
-
-              this.socket.onclose = (event) => {
-                  this.connectionState = false;
-
-                  this.communication.log.push({
-                      payload: `Disconnected from ${this.url}.`,
-                      source: 'info',
-                      color: 'red'
-                  });
-              };
-
-              this.socket.onmessage = (event) => {
-                  this.communication.log.push({
-                      payload: event.data,
-                      source: 'server'
-                  });
-              }
-          }catch(ex){
-              this.handleError(ex);
-          }
-        },
-
-        disconnect () {
-          if(this.socket != null) this.socket.close();
-        },
-
-        handleError (error) {
-            this.disconnect();
-            this.connectionState = false;
-
-            this.communication.log.push({
-                payload: `An error has occurred.`,
-                source: 'info',
-                color: 'red'
-            });
-            if(error != null) this.communication.log.push({
-                payload: error,
-                source: 'info',
-                color: 'red'
-            });
-        },
-
-        sendMessage () {
-          const message = this.communication.input;
-
-          this.socket.send(message);
-          this.communication.log.push({
-              payload: message,
-              source: 'client'
-          });
-
-          this.communication.input = "";
-        },
-
-        collapse({target}) {
-          const el = target.parentNode.className;
-          document.getElementsByClassName(el)[0].classList.toggle('hidden');
-        },
-
-        getSourcePrefix(source){
-          const sourceEmojis = {
-            // Source used for info messages.
-            'info': 'ℹ️ [INFO]:\t',
-            // Source used for client to server messages.
-            'client': '👽 [SENT]:\t',
-            // Source used for server to client messages.
-            'server': '📥 [RECEIVED]:\t'
-          };
-
-          if (Object.keys(sourceEmojis).includes(source)) return sourceEmojis[source];
-          return '';
+        communication: {
+          log: null,
+          input: ""
         }
       }
+    },
+
+    computed: {
+      toggleConnectionVerb () {
+          return !this.connectionState ? "Connect" : "Disconnect";
+      },
+
+      urlValid () {
+          const pattern = new RegExp('^(wss?:\\/\\/)?' +
+              '((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' +
+              '((\\d{1,3}\\.){3}\\d{1,3}))' +
+              '(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' +
+              '(\\?[;&a-z\\d%_.~+=-]*)?' +
+              '(\\#[-a-z\\d_]*)?$', 'i');
+          return pattern.test(this.url);
+      }
+    },
+
+    methods: {
+      toggleConnection () {
+        // If it is connecting:
+        if(!this.connectionState) return this.connect();
+
+        // Otherwise, it's disconnecting.
+        else return this.disconnect();
+      },
+
+      connect () {
+        this.communication.log = [
+          {
+            payload: `Connecting to ${this.url}...`,
+            source: 'info',
+            color: 'lime'
+          }
+        ];
+
+        try {
+            this.socket = new WebSocket(this.url);
+
+            this.socket.onopen = (event) => {
+                this.connectionState = true;
+
+                this.communication.log = [
+                    {
+                        payload: `Connected to ${this.url}.`,
+                        source: 'info',
+                        color: 'lime'
+                    }
+                ];
+            };
+
+            this.socket.onerror = (event) => {
+                this.handleError();
+            };
+
+            this.socket.onclose = (event) => {
+                this.connectionState = false;
+
+                this.communication.log.push({
+                    payload: `Disconnected from ${this.url}.`,
+                    source: 'info',
+                    color: 'red'
+                });
+            };
+
+            this.socket.onmessage = (event) => {
+                this.communication.log.push({
+                    payload: event.data,
+                    source: 'server'
+                });
+            }
+        }catch(ex){
+            this.handleError(ex);
+        }
+      },
+
+      disconnect () {
+        if(this.socket != null) this.socket.close();
+      },
+
+      handleError (error) {
+          this.disconnect();
+          this.connectionState = false;
+
+          this.communication.log.push({
+              payload: `An error has occurred.`,
+              source: 'info',
+              color: 'red'
+          });
+          if(error != null) this.communication.log.push({
+              payload: error,
+              source: 'info',
+              color: 'red'
+          });
+      },
+
+      sendMessage () {
+        const message = this.communication.input;
+
+        this.socket.send(message);
+        this.communication.log.push({
+            payload: message,
+            source: 'client'
+        });
+
+        this.communication.input = "";
+      },
+
+      collapse({target}) {
+        const el = target.parentNode.className;
+        document.getElementsByClassName(el)[0].classList.toggle('hidden');
+      },
+
+      getSourcePrefix(source){
+        const sourceEmojis = {
+          // Source used for info messages.
+          'info': 'ℹ️ [INFO]:\t',
+          // Source used for client to server messages.
+          'client': '👽 [SENT]:\t',
+          // Source used for server to client messages.
+          'server': '📥 [RECEIVED]:\t'
+        };
+
+        if (Object.keys(sourceEmojis).includes(source)) return sourceEmojis[source];
+        return '';
+      }
+    }
 
   }
 </script>
diff --git a/plugins/vuex-persist.js b/plugins/vuex-persist.js
new file mode 100644
index 000000000..09fc9ad02
--- /dev/null
+++ b/plugins/vuex-persist.js
@@ -0,0 +1,5 @@
+import VuexPersistence from "vuex-persist";
+
+export default ({ store }) => {
+    new VuexPersistence().plugin(store);
+}
\ No newline at end of file
diff --git a/store/index.js b/store/index.js
new file mode 100644
index 000000000..5c933b16b
--- /dev/null
+++ b/store/index.js
@@ -0,0 +1,3 @@
+export default {
+
+}
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diff --git a/store/postwoman.js b/store/postwoman.js
new file mode 100644
index 000000000..fb07b5d13
--- /dev/null
+++ b/store/postwoman.js
@@ -0,0 +1,51 @@
+export const SETTINGS_KEYS = [
+    /**
+     * The CSS class that should be applied to the root element.
+     * Essentially, the name of the background theme.
+     */
+    "THEME_CLASS",
+
+    /**
+     * The hex color code for the currently active theme.
+     */
+    "THEME_COLOR",
+
+    /**
+     * Whether or not THEME_COLOR is considered 'vibrant'.
+     *
+     * For readability reasons, if the THEME_COLOR is vibrant,
+     * any text placed on the theme color will have its color
+     * inverted from white to black.
+     */
+    "THEME_COLOR_VIBRANT",
+
+    /**
+     * Normally, section frames are multicolored in the UI
+     * to emphasise the different sections.
+     * This setting allows that to be turned off.
+     */
+    "DISABLE_FRAME_COLORS"
+];
+
+export const state = () => ({
+    settings: {}
+});
+
+export const mutations = {
+
+    applySetting (state, setting) {
+        if(setting == null || !(setting instanceof Array) || setting.length !== 2)
+            throw new Error("You must provide a setting (array in the form [key, value])");
+
+        let key = setting[0];
+        let value = setting[1];
+        // Do not just remove this check.
+        // Add your settings key to the SETTINGS_KEYS array at the
+        // top of the file.
+        // This is to ensure that application settings remain documented.
+        if(!SETTINGS_KEYS.includes(key)) throw new Error("The settings key does not include the key " + key);
+
+        state.settings[key] = value;
+    }
+
+};
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