buttons.less in bootstrap-on-rails-3.3.1

- old
+ new

@@ -8,10 +8,11 @@
   background-color: @background;
   border-color: @border;
 
   &:hover,
   &:focus,
+  &.focus,
   &:active,
   &.active,
   .open > .dropdown-toggle& {
     color: @color;
     background-color: darken(@background, 10%);
@@ -26,9 +27,10 @@
   &[disabled],
   fieldset[disabled] & {
     &,
     &:hover,
     &:focus,
+    &.focus,
     &:active,
     &.active {
       background-color: @background;
           border-color: @border;
     }