Fixed series poster size in FF

UI/Series/series.less

@@ -47,7 +47,7 @@
     .card;
     .clickable;
     margin-bottom: 20px;
-    height: 300px;
+    height: 295px;
 
     .center {
       display: block;
@@ -122,6 +122,10 @@
       opacity: 0.8;
       display: none;
     }
+
+    .series-poster {
+      width: 168px;
+    }
   }
 
 }

UI/Shared/TemplateHelpers.js

@@ -38,6 +38,6 @@ define(['app'], function () {
     });
 
     Handlebars.registerHelper('defaultImg', function () {
-        return new Handlebars.SafeString(' onerror="this.src=\'/content/images/poster-dark.jpg\';"');
+        return new Handlebars.SafeString('onerror="this.src=\'/content/images/poster-dark.jpg\';"');
     });
 });