media files path to media queries code code example

Example 1: mediaquery for portrate

@media (orientation: portrait) {
  body {
    flex-direction: column;
  }
}

Example 2: media query in html style

span { background-image: url(particular_ad.png); }

@media (max-width: 300px) {
    span { background-image: url(particular_ad_small.png); }
}