message: align buttons perfectly with editor edge
diff: @@ -58,7 +58,7 @@ limitations under the License.
  z-index: 100;
  right: 0;
  margin: 0 -110px 0 0;
  - padding-right: 108px;
  + padding-right: 107px;
  .mx_AccessibleButton {
  margin-left: 5px;
  