<div class="ccm-holo">
  <div class="ccm-holo-rim"></div>
  <div class="ccm-holo-dome"></div>
  <a href="#" class="ccm-holo-i" style="--a: -150deg">⌂</a>
  <a href="#" class="ccm-holo-i" style="--a: -120deg">⌕</a>
  <a href="#" class="ccm-holo-i" style="--a: -90deg">★</a>
  <a href="#" class="ccm-holo-i" style="--a: -60deg">♥</a>
  <a href="#" class="ccm-holo-i" style="--a: -30deg">⚙</a>
</div>

.ccm-holo {
  position: relative;
  width: 200px;
  height: 110px;
}

.ccm-holo-rim {
  position: absolute;
  bottom: -2px;
  left: -2px;
  right: -2px;
  height: 114px;
  border-radius: 100px 100px 0 0;
  background: conic-gradient(from var(--ccm-holo-a), #7c6cff, #ff6c8a, #2ecc8a, #00e5ff, #7c6cff);
  animation: ccm-holo-spin 4s linear infinite;
  filter: blur(0.5px);
}

.ccm-holo-dome {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 110px;
  border-radius: 100px 100px 0 0;
  background: rgba(15, 15, 25, 0.7);
  backdrop-filter: blur(8px);
  border-bottom: none;
}

.ccm-holo-i {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 32px;
  height: 32px;
  margin-left: -16px;
  border-radius: 50%;
  background: #15151d;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #c4b5fd;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transform: rotate(var(--a)) translate(95px) rotate(calc(var(--a) * -1));
  transition:
    transform 0.3s,
    color 0.2s;
}

.ccm-holo-i:hover {
  color: #fff;
  transform: rotate(var(--a)) translate(95px) rotate(calc(var(--a) * -1)) scale(1.2);
}

@media (prefers-reduced-motion: reduce) {
  .ccm-holo-rim,
  .ccm-snow-flakes,
  .ccm-orbit-sat,
  .ccm-orbit-i,
  .ccm-solar-o,
  .ccm-solar-o a,
  .ccm-tri-grp,
  .ccm-vinyl-disc,
  .ccm-bh-disk,
  .ccm-neb-cloud,
  .ccm-neb-i {
    animation: none !important;
  }
}

@keyframes ccm-holo-spin { to { --ccm-holo-a: 360deg; } }