:root {
    --img_ratio2611: 16/9; 
}

#s6{
    aspect-ratio: var(--img_ratio2611);
}

.img2611{
    background-image: url(../../img/2611.jpg);
    aspect-ratio: var(--img_ratio2611);
}

/*----- MOBILE -----*/
@media only screen and (max-aspect-ratio: 1/1){
    .img2611{
    }   
}