×ݺá±È | @media.aspect-ratio

<div>Watch this element as you resize your viewport's width and height.</div>

/* Exact aspect ratio */
@media (aspect-ratio: 1/1) {
  div {
    color: red;
  }
}

/* Minimum aspect ratio */
@media (min-aspect-ratio: 8/5) {
  div {
    background: yellow;
  }
}

/* Maximum aspect ratio */
@media (max-aspect-ratio: 2/1) {
  div {
    border: 2px solid blue;
  }
}