diff -u b/core/misc/tabledrag.js b/core/misc/tabledrag.js
--- b/core/misc/tabledrag.js
+++ b/core/misc/tabledrag.js
@@ -122,14 +122,15 @@
 
   // Add event bindings to the document. The self variable is passed along
   // as event handlers do not have direct access to the tableDrag object.
-  if(!Modernizr.touch) {
-    $(document).bind('mousemove', function (event) { return self.dragRow(event, self); });
-    $(document).bind('mouseup', function (event) { return self.dropRow(event, self); });
-  }
-  if(Modernizr.touch) {
+  if (Modernizr.touch) {
     $(document).bind('touchmove', function (event) { return self.dragRow(event.originalEvent.touches[0], self); });
     $(document).bind('touchend', function (event) { return self.dropRow(event.originalEvent.touches[0], self); });
   }
+  else {
+    $(document).bind('mousemove', function (event) { return self.dragRow(event, self); });
+    $(document).bind('mouseup', function (event) { return self.dropRow(event, self); });
+  }
+
   // React to localStorage event showing or hiding weight columns.
   $(window).bind('storage', $.proxy(function (e) {
     // Only react to 'Drupal.tableDrag.showWeight' value change.
@@ -322,22 +323,18 @@
     $item.find('td:first').prepend(handle);
   }
 
-  // Conditionally add the touchstart action for the handle.
-  if(Modernizr.touch) {
+  if (Modernizr.touch) {
     handle.on('touchstart', function (event) {
       event.preventDefault();
       event = event.originalEvent.touches[0];
       self.dragStart(event, self, item);
     });
   }
-
-  // Conditionally add the mousedown action for the handle.
-  if(!Modernizr.touch) {
+  else {
     handle.mousedown(function (event) {
       event.preventDefault();
-      self = self.dragStart(event, self, item);
+      self.dragStart(event, self, item);
     });
-
   }
 
   // Prevent the anchor tag from jumping us to the top of the page.
@@ -345,15 +342,14 @@
     e.preventDefault();
   });
 
-  // Similar to the hover event, add a class when the handle is focused.
+  // Set blur cleanup when a handle is focused.
   handle.focus(function () {
-    $(this).addClass('tabledrag-handle-hover');
     self.safeBlur = true;
   });
 
-  // Remove the handle class on blur and fire the same function as a mouseup.
+  // On blur, fire the same function as a touchend/mouseup. This is used to
+  // update values after a row has been moved through the keyboard support.
   handle.blur(function (event) {
-    $(this).removeClass('tabledrag-handle-hover');
     if (self.rowObject && self.safeBlur) {
       self.dropRow(event, self);
     }
@@ -624,8 +620,6 @@
 
   // Functionality specific only to pointerup events.
   if (self.dragObject !== null) {
-    $droppedRow.find('.tabledrag-handle').removeClass('tabledrag-handle-hover');
-
     self.dragObject = null;
     $('body').removeClass('drag');
     clearInterval(self.scrollInterval);
@@ -650,7 +644,7 @@
  * element. To do this we need the element's position and the target position.
  */
 Drupal.tableDrag.prototype.getPointerOffset = function (target, event) {
-  var docPos   = $(target).offset();
+  var docPos = $(target).offset();
   var pointerPos = this.pointerCoords(event);
   return { x: pointerPos.x - docPos.left, y: pointerPos.y - docPos.top };
 };
reverted:
--- b/core/modules/overlay/overlay-tabs.css
+++ /dev/null
@@ -1,103 +0,0 @@
-#overlay-tabs {
-  background-color: #fff;
-  border-radius: 5px 5px 0 0 ;
-  font-size: 13px;
-  font-size: 0.8125rem;
-  line-height: 1;
-}
-#overlay-tabs-primary,
-#overlay-tabs-secondary {
-  list-style-type: none;
-  margin: 0;
-  padding: 0;
-  position: relative;
-}
-#overlay-tabs-primary li,
-#overlay-tabs-secondary li {
-  float: left;
-  position: relative;
-}
-#overlay-tabs a {
-  display: block;
-}
-#overlay-tabs-primary {
-  background-color: #f2f2f0;
-  border-radius: 5px 5px 0 0;
-  border-top: 1px solid #b3b3b3;
-  font-size: 12px;
-  font-size: 0.75rem;
-}
-#overlay-tabs-primary:before,
-#overlay-tabs-secondary:before {
-  content: ' ';
-  bottom: 0;
-  display: block;
-  height: 0;
-  position: absolute;
-  width: 100%;
-}
-#overlay-tabs-primary:before {
-  border-bottom: 1px solid #b3b3b3;
-}
-#overlay-tabs-secondary:before {
-  border-bottom: 1px solid #d9d8d4;
-}
-#overlay-tabs-primary li {
-  margin-bottom: -1px;
-  top: -1px;
-}
-#overlay-tabs-primary .active{
-  z-index: 1;
-}
-#overlay-tabs-primary a {
-  border-top: 1px solid #b3b3b3;
-  border-left: 1px solid #b3b3b3;
-  border-top-left-radius: 5px;
-  color: #0074bd;
-  font-weight: bold;
-  padding: 0.6667em 1.25em;
-  text-decoration: none;
-  text-transform: uppercase;
-}
-#overlay-tabs-primary a:hover {
-  background-color: #fff;
-  color: #007ac7;
-  text-decoration: none; }
-#overlay-tabs-primary a:active {
-  color: #004f80;
-}
-#overlay-tabs-primary .active a {
-  background-color: #ffffff;
-  border-right: 1px solid #b3b3b3;
-  border-top-right-radius: 5px;
-  /* Use two short box shadows, one shifted right and one shifted left so that
-     we don't have the shadow bleed under the bottom of the tab. */
-  -webkit-box-shadow: 2px -1px 2px -1px rgba(0, 0, 0, 0.2), -2px -1px 2px -1px rgba(0, 0, 0, 0.2);
-  -moz-box-shadow: 2px -1px 2px -1px rgba(0, 0, 0, 0.2), -2px -1px 2px -1px rgba(0, 0, 0, 0.2);
-  box-shadow: 2px -1px 2px -1px rgba(0, 0, 0, 0.2), -2px -1px 2px -1px rgba(0, 0, 0, 0.2);
-  color: #004f80;
-}
-#overlay-tabs-primary .active ~ li a {
-  border-left: 0;
-  border-right: 1px solid #b3b3b3;
-  border-radius: 0 5px 0 0;
-}
-
-#overlay-tabs-secondary a {
-  border-bottom: 1px solid transparent;
-  color: #0074bd;
-  margin-left: 1.1538em;
-  padding: 0.75em 0 0.333em;
-}
-#overlay-tabs-secondary .active a {
-  border-bottom-color: #004f80;
-  color: #004f80;
-}
-#overlay-tabs-secondary a:focus,
-#overlay-tabs-secondary a:hover {
-  color: #008ee6 !important;
-  border-bottom-color: #008ee6 !important;
-}
-#overlay-tabs-secondary a:hover {
-  text-decoration: none;
-}