.testimonial-slider .swiper-slide{position:relative}.testimonial-slider .swiper-slide:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;background-color:#00000040;opacity:1;transition:opacity .4s ease-in-out}.testimonial-slider .swiper-slide-active:before{opacity:0}