Smoke Glass

.btn-smoke-glass {
  display: inline-block;
  padding: 12px 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(148, 163, 184, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #cbd5e1;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.btn-smoke-glass:hover {
  background: rgba(148, 163, 184, 0.15);
  border-color: rgba(255, 255, 255, 0.16);
}
.btn-smoke-glass:active {
  background: rgba(148, 163, 184, 0.22);
}