.app-header {
  background-color: var(--surface-fixed);
  background-image: linear-gradient(
      rgba(29, 29, 30, 0.12),
      rgba(29, 29, 30, 0.64)
    ),
    url("/assets/header_texture.png");
  background-position: center top;
  background-repeat: no-repeat;
  background-size: cover;
}

.app-header::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: rgba(0, 0, 0, 0.18);
}