.app-background {
  background-color: #191b1f;
  background-image:
    linear-gradient(180deg, rgba(28, 31, 36, 0.84), rgba(21, 23, 27, 0.94)),
    url("/static/core/background.webp");
  background-position: center, top left;
  background-repeat: no-repeat, repeat;
  background-size: auto, auto;
  background-attachment: fixed;
}