.artifex_slider_wrapper{
    width: 100%;
    position: relative;
    aspect-ratio: 4/1;
}
.artifex_slider_item{
    width: 100%;
    position: relative;
    aspect-ratio: 4/1;
}

@media screen and (max-width: 550px){
    .artifex_slider_wrapper{
        aspect-ratio: 4/3;
    }
}