.hero-glow {
  display: none;
}

.hero-mark {
  isolation: isolate;
}

.hero-mark img {
  -webkit-mask-image: radial-gradient(ellipse 78% 72% at 50% 50%, #000 46%, rgba(0, 0, 0, .94) 62%, transparent 100%);
  mask-image: radial-gradient(ellipse 78% 72% at 50% 50%, #000 46%, rgba(0, 0, 0, .94) 62%, transparent 100%);
  mix-blend-mode: screen;
  filter: contrast(1.08) brightness(.96);
}

@media (max-width: 900px) {
  .hero-mark {
    position: relative;
    z-index: 0;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 1.5rem;
    opacity: 1;
  }

  .hero-mark img {
    -webkit-mask-image: radial-gradient(ellipse 82% 74% at 50% 50%, #000 48%, rgba(0, 0, 0, .95) 66%, transparent 100%);
    mask-image: radial-gradient(ellipse 82% 74% at 50% 50%, #000 48%, rgba(0, 0, 0, .95) 66%, transparent 100%);
  }
}