#preloader {
  background: var(--preloader-bg-color) url('./../images/preloader.svg') no-repeat center center;
  height: 100vh;
  width: 100%;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  /* Must be above the navbar. */
  z-index: 2000;
  display: flex;
  align-content: center;
  justify-content: center;
  align-items: center;
  transition: opacity 0.3s linear;
}