diff --git a/data/browser-action/css/style.scss b/data/browser-action/css/style.scss
index 1e06394..977c4e1 100644
--- a/data/browser-action/css/style.scss
+++ b/data/browser-action/css/style.scss
@@ -11,15 +11,15 @@
 @import '../../css/material-buttons';
 @import '../../css/inputs';
 
-$footer-height: 40px;
-
 html, body {
+    margin: 0;
+    padding: 0;
     width: 380px;
+    overflow-x: hidden;
+    overflow-y: auto;
 }
 
 body {
-    margin: 0;
-    padding: 0 0 #{$footer-height+15px} 0;
     font-family: $roboto;
     color: $color-text-dark;
 
@@ -31,7 +31,7 @@ body {
     box-sizing: border-box;
 }
 
-header, .content, footer {
+header, .content .part, footer {
     padding: 5px 10px;
 }
 
@@ -167,10 +167,7 @@ h2 {
 }
 
 footer {
-    position: absolute;
-    bottom: 0;
-    width: 100%;
-    height: $footer-height;
+    margin-top: 20px;
     text-align: right;
     @extend .primary-color--background;
     @include transition-duration($timing-medium);
diff --git a/data/browser-action/index.html b/data/browser-action/index.html
index fa2b0f5..0551407 100644
--- a/data/browser-action/index.html
+++ b/data/browser-action/index.html
@@ -13,14 +13,14 @@ <h1>Material Freebox OS</h1>
 </header>
 <div class="content">
     <div class="unsupported-wrap">
-        <div class="part-colors">
+        <div class="part part-colors">
             <h2>Couleur primaire</h2>
             <ul id="colors-primary"></ul>
 
             <h2>Couleur secondaire</h2>
             <ul id="colors-accent"></ul>
         </div>
-        <div class="part-wallpapers">
+        <div class="part part-wallpapers">
             <h2>Fond d'écran <a href="http://www.chromeup.com/chrome-os-wallpapers/" target="_blank" class="source">(source)</a></h2>
 
             <ul id="wallpapers-images"></ul>
diff --git a/data/browser-action/js/script.js b/data/browser-action/js/script.js
index df8872e..045c466 100644
--- a/data/browser-action/js/script.js
+++ b/data/browser-action/js/script.js
@@ -92,14 +92,18 @@
         var primaryColor_colors = primaryColorsUl.find('li'),
             accentColor_colors = accentColorsUl.find('li');
 
-        if (!MaterialFreeboxOS.environment.isFirefox()) {
+        if (MaterialFreeboxOS.environment.isFirefox()) {
+            $('body')
+                .attr('data-color-primary', MaterialFreeboxOS.materialColors.defaultPrimary)
+                .attr('data-color-accent', MaterialFreeboxOS.materialColors.defaultAccent);
+        } else {
             // Retrieve current settings
             chrome.storage.local.get('color-primary', function (data) {
                 var defaultPrimaryColor = MaterialFreeboxOS.materialColors.defaultPrimary,
                     primaryColor = data['color-primary'] || defaultPrimaryColor;
 
                 primaryColor_colors.filter('[data-color="' + primaryColor + '"]').addClass('current');
-                $('body').attr('data-color-primary', primaryColor)
+                $('body').attr('data-color-primary', primaryColor);
             });
             chrome.storage.local.get('color-accent', function (data) {
                 var defaultAccentColor = MaterialFreeboxOS.materialColors.defaultAccent,