Nachtglas mit Blobs

.card-029-bg {
  position: relative;
  display: inline-block;
  padding: 44px;
  border-radius: 24px;
  background: #0a0a0f;
  overflow: hidden
}
.card-029-bg::before,.card-029-bg::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  filter: blur(40px)
}
.card-029-bg::before {
  left: -20px;
  top: -20px;
  background: #7c3aed
}
.card-029-bg::after {
  right: -30px;
  bottom: -30px;
  background: #06b6d4
}
.card-029 {
  position: relative;
  width: 270px;
  padding: 22px;
  background: rgba(17,25,40,.55);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-family: system-ui,sans-serif;
  color: #f8fafc;
  overflow: hidden
}
.card-029::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent)
}
.card-029__tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #a5f3fc
}
.card-029 h3 {
  margin: 6px 0;
  font-size: 20px
}
.card-029 p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: #cbd5e1
}
.card-029:hover {
  border-color: rgba(255,255,255,.25)
}

<div class="card-029-bg">
  <article class="card-029">
    <span class="card-029__tag">Beta</span>
    <h3>Night glass</h3>
    <p>Dark translucent surface, one bright top edge, color bleeding through from behind.</p>
  </article>
</div>