[FIX] website: fix snippet comparisons

addons/website/static/src/css/snippets.css

@@ -1,3 +1,4 @@
+@charset "UTF-8";
 /* ---- SNIPPET EDITOR ---- {{{ */
 #oe_snippets #o_left_bar, #oe_snippets #o_arrow {
   position: fixed;
@@ -870,3 +871,7 @@ table.table_desc tr td:last-child {
 .s_features_grid {
   margin-bottom: 16px;
 }
+
+.s_comparisons .panel .list-group-item:not(.active) {
+  color: #666;
+}

addons/website/static/src/css/snippets.sass

@@ -81,7 +81,7 @@
 .oe_snippet
     display: inline-block
     vertical-align: top
-    width: 93px
+    width: 92px
     margin-left: 3px
     margin-right: 3px
     margin-top: 1px
@@ -701,3 +701,8 @@ table.table_desc tr td
 
 .s_features_grid
     margin-bottom: 16px
+
+.s_comparisons
+    .panel
+        .list-group-item:not(.active)
+            color: #666

addons/website/views/snippets.xml

@@ -350,7 +350,7 @@
             </div>
           </div>
           <div class="row">
-            <div class="col-md-4">
+            <div class="col-md-4 col-xs-12">
                 <div class="panel panel-info">
 
                   <div class="panel-heading text-center">
@@ -379,7 +379,7 @@
                   </div>
                 </div>
             </div>
-            <div class="col-md-4">
+            <div class="col-md-4 col-xs-12">
                 <div class="panel panel-primary">
 
                   <div class="panel-heading text-center">
@@ -408,7 +408,7 @@
                   </div>
                 </div>
             </div>
-            <div class="col-md-4">
+            <div class="col-md-4 col-xs-12">
                 <div class="panel panel-info">
 
                   <div class="panel-heading text-center">