Answers for "device-pixel-ratio css media query"

device-pixel-ratio css

/* Exact resolution */
@media (-webkit-device-pixel-ratio: 1) {
  p {
    color: red;
  }
}

/* Minimum resolution */
@media (-webkit-min-device-pixel-ratio: 1.1) {
  p {
    font-size: 1.5em;
  }
}

/* Maximum resolution */
@media (-webkit-max-device-pixel-ratio: 3) {
  p {
    background: yellow;
  }
}

aspect ratio css media query

/* Minimum aspect ratio */
@media (min-aspect-ratio: 8/5) {
  div {
    background: #9af; /* blue */
  }
}

/* Maximum aspect ratio */
@media (max-aspect-ratio: 3/2) {
  div {
    background: #9ff;  /* cyan */
  }
}

/* Exact aspect ratio, put it at the bottom to avoid override*/
@media (aspect-ratio: 1/1) {
  div {
    background: #f9a; /* red */
  }
}