message: Larger chevron for rebrand
diff: @@ -53,8 +53,8 @@ limitations under the License.
  .mx_RebrandDialog_chevron::after {
  content: '';
  display: inline-block;
  - width: 18px;
  - height: 18px;
  + width: 30px;
  + height: 30px;
  mask-position: center;
  mask-size: contain;
  mask-repeat: no-repeat;
  