.aboutgallery {
    width: 100%;
}
.aboutthumbs {
    padding: 0px 0;
    margin-top: 25px;
}
.aboutthumbs img{
   height:100%;
}
.aboutthumbs .swiper-slide {
    position: relative;
    width: 25%;
    height: auto;
    overflow: hidden;
}
.aboutthumbs .swiper-slide:before{
    content: "";
    position: absolute;
    background: #00101c;
    width: 100%;
    height: 100%;
    opacity: 0;
}
.aboutthumbs .swiper-slide-active:before {
    opacity: 0.75;
}
.aboutgallery  .swiper-slide img{
    width: 100%;
}