Style all logos uniformly independent of the edition

app/assets/stylesheets/layout/_top_menu.sass

@@ -60,12 +60,14 @@ $search-input-height: 30px
   left: calc(50% - 230px / 2)
 
   .home-link
-    margin-top: 15px
+    margin-top: 12px
     display: block
+    height: 30px
     background: $header-home-link-bg
-    background-size: 140px
-    height: 42px
     text-indent: -9999em
+    background-position: center
+    background-size: contain
+    background-repeat: no-repeat
 
 #top-menu
   @include varprop(background-color, header-bg-color)

app/views/custom_styles/_inline_css.erb

@@ -30,13 +30,7 @@ See doc/COPYRIGHT.rdoc for more details.
 <style type="text/css">
   <% if CustomStyle.current.logo.present? %>
     #logo .home-link {
-      margin-top: 12px;
-      width: 230px;
-      height: 30px;
       background-image: url("<%= custom_style_logo_path(digest: CustomStyle.current.digest, filename: CustomStyle.current.logo_identifier) %>");
-      background-repeat: no-repeat;
-      background-position: center;
-      background-size: contain;
     }
   <% end %>