Issue 5373 - Remove the "blog" from acceptableads.com and link to blog.acceptableads.com

static/scss/layout/_sidebar.scss

 // This file is part of acceptableads.org.
 // Copyright (C) 2016 Eyeo GmbH
 //
 // acceptableads.org is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // acceptableads.org is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 242 matching lines @@
   {
     color: $accent;
     font-size: $font-size-sm;
   }
 
   .active > a
   {
     font-weight: 700;
   }
 
-  .external-icon
+  .navigation-icon
   {
     width: auto;
     height: 0.8em;
     margin-left: $xs;
   }
 
   a%active
   {
     color: $accent;
   }
 
   ul ul a%active
   {
     color: #6f9432;
   }
 
 }
 
 .js #primary-navigation ul ul
 {
   display: none;
 }
 
 .js #primary-navigation ul .active ul
 {
   display: block;
 }
 
-[dir="rtl"] #primary-navigation .external-icon
+[dir="rtl"] #primary-navigation .navigation-icon
 {
   margin-right: $xs;
   margin-left: 0px;
 }
 
 @media(min-width: $sidebar-breakpoint-x)
 {
   // Apply arrow background
   #primary-navigation
   {
@@ skipping 159 matching lines @@
   }
   .js #secondary-navigation
   {
     display: none;
   }
   .js #sidebar.open #secondary-navigation
   {
     display: block;
   }
 }