@media all and (-ms-high-contrast:none){
    
    .navbar-brand { max-width: 100% } /* IE10 */

    .slick-slide img{ height: 100%; } /* IE10 */


     *::-ms-backdrop, .navbar-brand { max-width: 100% } /* IE11 */

     *::-ms-backdrop, .slick-slide img{ height: 100%; } /* IE11 */
}