diff --git a/assets/css/styles.scss b/assets/css/styles.scss
index a02b6a13f..e403b7d7f 100644
--- a/assets/css/styles.scss
+++ b/assets/css/styles.scss
@@ -17,7 +17,7 @@ $responsiveWidth: 720px;
   box-sizing: border-box;
   outline: 0;
   border: 0;
-  font-family: 'Poppins', 'Roboto', 'Noto', sans-serif;
+  font-family: "Poppins", "Roboto", "Noto", sans-serif;
 }
 
 @keyframes fadein {
@@ -42,7 +42,7 @@ body {
   color: var(--fg-color);
   font-weight: 500;
   line-height: 1.5;
-  animation: fadein .2s;
+  animation: fadein 0.2s;
   -webkit-tap-highlight-color: transparent;
   -webkit-touch-callout: none;
   -webkit-user-select: none;
@@ -119,7 +119,8 @@ legend {
   cursor: pointer;
 }
 
-fieldset textarea, fieldset pre {
+fieldset textarea,
+fieldset pre {
   resize: vertical;
 }
 
@@ -131,6 +132,7 @@ fieldset.blue legend {
   color: #57b5f9;
 }
 
+<<<<<<< HEAD
 fieldset.gray {
   border-color: #9B9B9B;
 }
@@ -235,7 +237,6 @@ ol li {
 }
 
 @media (max-width: $responsiveWidth) {
-
   ul,
   ol {
     flex-direction: column;
@@ -250,3 +251,23 @@ ol li {
 #installPWA {
   display: none;
 }
+
+.info-response {
+  background-color: #ffeb3b;
+}
+
+.success-response {
+  background-color: #66BB6A;
+}
+
+.redir-response {
+  background-color: #ff5722;
+}
+
+.cl-error-response {
+  background-color: #ef5350;
+}
+
+.sv-error-response {
+  background-color: #b71c1c;
+}
\ No newline at end of file
diff --git a/pages/index.vue b/pages/index.vue
index a387a185b..b7d26f0ed 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -128,7 +128,7 @@
       <ul>
         <li>
           <label for="status">status</label>
-          <input name="status" type="text" readonly :value="response.status || '(waiting to send request)'">
+          <input name="status" type="text" readonly :value="response.status || '(waiting to send request)'" :class="statusCategory ? statusCategory.className : ''">
         </li>
       </ul>
       <ul v-for="(value, key) in response.headers">
@@ -223,6 +223,15 @@
           }
       },
       computed: {
+          statusCategory(){
+            return [
+              {name: 'informational', statusCodeRegex: new RegExp(/[1][0-9]+/), className: 'info-response'},
+              {name: 'successful', statusCodeRegex: new RegExp(/[2][0-9]+/), className: 'success-response'},
+              {name: 'redirection', statusCodeRegex: new RegExp(/[3][0-9]+/), className: 'redir-response'},
+              {name: 'client error', statusCodeRegex: new RegExp(/[4][0-9]+/), className: 'cl-error-response'},
+              {name: 'server error', statusCodeRegex: new RegExp(/[5][0-9]+/), className: 'sv-error-response'},
+            ].find(status => status.statusCodeRegex.test(this.response.status));
+          },
           noHistoryToClear() {
               return this.history.length === 0;
           },