Grainy Gradient Mesh

<!-- Grainy Gradient Mesh — drifting blurred blobs with a grain layer -->
<div class="nuda-ng2-mesh-grain">
  <div class="nuda-ng2-mesh-grain__blob nuda-ng2-mesh-grain__blob--a" aria-hidden="true"></div>
  <div class="nuda-ng2-mesh-grain__blob nuda-ng2-mesh-grain__blob--b" aria-hidden="true"></div>
  <div class="nuda-ng2-mesh-grain__grain" aria-hidden="true"></div>
</div>

.nuda-ng2-mesh-grain {
  position: relative;
  width: 100%;
  max-width: 220px;
  height: 130px;
  border-radius: 14px;
  overflow: hidden;
  background: #09090b;
  isolation: isolate;
}

.nuda-ng2-mesh-grain__blob {
  position: absolute;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  filter: blur(28px);
  pointer-events: none;
}

.nuda-ng2-mesh-grain__blob--a {
  top: -20px;
  left: -10px;
  background: radial-gradient(circle,rgba(228,255,84,.7),transparent 70%);
  animation: _nuda-ng2meshgrain-a 9s ease-in-out infinite alternate;
}

.nuda-ng2-mesh-grain__blob--b {
  bottom: -30px;
  right: -20px;
  background: radial-gradient(circle,rgba(120,80,255,.55),transparent 70%);
  animation: _nuda-ng2meshgrain-b 11s ease-in-out infinite alternate;
}

.nuda-ng2-mesh-grain__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 120px 120px;
  opacity: .22;
  mix-blend-mode: overlay;
  pointer-events: none;
}

@keyframes _nuda-ng2meshgrain-a {
  0% {
    transform: translate3d(0,0,0) scale(1);
  }
  100% {
    transform: translate3d(30px,20px,0) scale(1.2);
  }
}

@keyframes _nuda-ng2meshgrain-b {
  0% {
    transform: translate3d(0,0,0) scale(1);
  }
  100% {
    transform: translate3d(-24px,-16px,0) scale(1.15);
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-ng2-mesh-grain__blob--a,.nuda-ng2-mesh-grain__blob--b {
    animation: none;
  }
}