==== Fix Mobile parallax effect when setting a background image to the full document ====

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You set an image to fullscreen in your site, and on PC it works great, but on mobile it fucking moves when scrolling... That's because you need to change background-attachment: "fixed" to "scroll" on your mobile media queries.

Example:
<code bash>
main {
  background: url(/img/background.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: auto;
  height: 100%;
}
@media (max-width: 400px) {
  main {
    background-attachment: scroll;
  }
}
</code>