Update to Bootstrap v2.2.0

assets/css/less/modals.less

@@ -2,16 +2,6 @@
 // Modals
 // --------------------------------------------------
 
-
-// Recalculate z-index where appropriate,
-// but only apply to elements within modal
-.modal-open .modal {
-  .dropdown-menu {  z-index: @zindexDropdown + @zindexModal; }
-  .dropdown.open { *z-index: @zindexDropdown + @zindexModal; }
-  .popover       {  z-index: @zindexPopover  + @zindexModal; }
-  .tooltip       {  z-index: @zindexTooltip  + @zindexModal; }
-}
-
 // Background
 .modal-backdrop {
   position: fixed;
@@ -36,7 +26,6 @@
   top: 50%;
   left: 50%;
   z-index: @zindexModal;
-  overflow: auto;
   width: 560px;
   margin: -250px 0 0 -280px;
   background-color: @white;
@@ -46,6 +35,9 @@
   .border-radius(6px);
   .box-shadow(0 3px 7px rgba(0,0,0,0.3));
   .background-clip(padding-box);
+  // Remove focus outline from opened modal
+  outline: none;
+
   &.fade {
     .transition(e('opacity .3s linear, top .3s ease-out'));
     top: -25%;
@@ -95,4 +87,8 @@
   .btn-group .btn + .btn {
     margin-left: -1px;
   }
+  // and override it for block buttons as well
+  .btn-block + .btn-block {
+    margin-left: 0;
+  }
 }