Glass Dark

.btn-glass-dark {
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #f1f5f9;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transition: background 0.2s ease;
}
.btn-glass-dark:hover {
  background: rgba(15, 23, 42, 0.65);
}
.btn-glass-dark:active {
  background: rgba(15, 23, 42, 0.8);
}