.atremslider__item{
    -webkit-box-flex: 0;
    -ms-flex: 0 0 75%;
    flex: 0 0 75%;
    padding: 0;
    overflow:hidden;
    box-shadow: 0px 0px 5px #0002;
    margin-right: 10px;
    border-radius: .5rem;
    scroll-snap-align: center!important;
}
@media screen and (min-width:860px){
    .atremslider__item{
        -webkit-box-flex: 0;
        -ms-flex: 0 0 calc(25% - 5px);
        flex: 0 0 calc(25% - 5px);
        padding: 0;
        box-shadow: 0px 0px 5px #0002;
        margin-right: 10px;
        border-radius: .5rem;
    }
}
.atremslider__item img{
    width:100%;
}