app/assets/stylesheets/photoswipe/default-skin/default-skin.scss in photoswipe-rails-4.1.1 vs app/assets/stylesheets/photoswipe/default-skin/default-skin.scss in photoswipe-rails-4.1.2

@@ -33,11 +33,10 @@
   opacity: 0.75;
   -webkit-transition: opacity 0.2s;
           transition: opacity 0.2s;
   -webkit-box-shadow: none;
           box-shadow: none; }
-  .pswp__button:focus,
-  .pswp__button:hover {
+  .pswp__button:focus, .pswp__button:hover {
     opacity: 1; }
   .pswp__button:active {
     outline: none;
     opacity: 0.9; }
   .pswp__button::-moz-focus-inner {