/* ❌ Rigid dimensions */
.video-wrapper {
width: 560px;
height: 315px;
}
/* ✅ Intrinsic sizing */
.video-wrapper {
aspect-ratio: 16/9;
width: 100%;
}
"Men are born soft and supple;
dead, they are stiff and hard."
— TTC 76
Add aspect-ratio:16/9; width:100%; object-fit:cover; to <img> / <video>