app/assets/stylesheets/active_admin/mixins/_icons.css.scss in activeadmin-0.4.4 vs app/assets/stylesheets/active_admin/mixins/_icons.css.scss in activeadmin-0.5.0.pre

@@ -1,7 +1,9 @@
-span.icon { vertical-align: middle; display: inline-block; }
-span.icon svg { vertical-align: baseline; }
+body.active_admin {
+  span.icon { vertical-align: middle; display: inline-block; }
+  span.icon svg { vertical-align: baseline; }
+}
 
 @mixin icon-color ($color) {
   span.icon svg {
     path, polygon, rect, circle { fill: $color !important; }
   }
@@ -15,6 +17,8 @@
 @mixin icon($color, $size) {
   @include icon-color($color);
   @include icon-size($size);
 }
 
-@include icon-size(0.8em);
+body.active_admin {
+  @include icon-size(0.8em);
+}