shorten css transistions to 200ms

app/assets/stylesheets/_mixins.sass

@@ -31,11 +31,11 @@
   height:             100%
 
 @mixin default-transition
-  -webkit-transition: all 500ms ease-in-out 0s
+  -webkit-transition: all 200ms ease-in-out 0s
-  -moz-transition:    all 500ms ease-in-out 0s
+  -moz-transition:    all 200ms ease-in-out 0s
-  -ms-transition:     all 500ms ease-in-out 0s
+  -ms-transition:     all 200ms ease-in-out 0s
-  -o-transition:      all 500ms ease-in-out 0s
+  -o-transition:      all 200ms ease-in-out 0s
-  transition:         all 500ms ease-in-out 0s
+  transition:         all 200ms ease-in-out 0s
 
 @mixin main-menu-font
   font-style:         normal