.img-ratio-1\:1 {
    aspect-ratio: 1 / 1;
}

.img-ratio-4\:3 {
    aspect-ratio: 4 / 3;
}

.img-ratio-16\:9 {
    aspect-ratio: 16 / 9;
}

.img-ratio-9\:16 {
    aspect-ratio: 9 / 16;
}

.img-ratio-3\:2 {
    aspect-ratio: 3 / 2;
}

.img-ratio-21\:9 {
    aspect-ratio: 21 / 9;
}