@media all and (-ms-high-contrast:none) {
  .foo { color: green } /* IE10 */

  *::-ms-backdrop, .foo { color: red } /* IE11 */

  *::-ms-backdrop, .tn__shadow, .cover__shadow, .ie-11-hide {
    display: none;
  } /* IE11 */

  *::-ms-backdrop, .ie-reset-transform {
    transform: none;
  } /* IE11 */
}