.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transform-origin: left;
  z-index: calc(var(--z-header) + 5);
  background: linear-gradient(90deg, var(--color-blue), var(--color-green), var(--color-red));
}