.slider_ci.swiper-slide {
    height: auto; 
    transition-property: background-color, color, border-color !important; 
    
    /* Hardware acceleration to stop flicker */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }