Neon Cyan

.btn-neon-cyan {
  display: inline-block;
  padding: 12px 28px;
  border: 2px solid #22d3ee;
  border-radius: 10px;
  background: transparent;
  color: #22d3ee;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.8);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.4), inset 0 0 12px rgba(34, 211, 238, 0.15);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.btn-neon-cyan:hover {
  background: rgba(34, 211, 238, 0.15);
  box-shadow: 0 0 26px rgba(34, 211, 238, 0.7), inset 0 0 18px rgba(34, 211, 238, 0.25);
}
.btn-neon-cyan:active {
  background: rgba(34, 211, 238, 0.28);
}