<button class="neon">Tıkla</button>
<style>
.neon {
  background: #0e0a2e; color: #22e0ff;
  border: 1px solid #22e0ff; border-radius: 12px;
  padding: 12px 24px; font-weight: 700; cursor: pointer;
  box-shadow: 0 0 14px #22e0ff; transition: .2s;
}
.neon:hover { box-shadow: 0 0 26px #22e0ff; transform: translateY(-2px); }
</style>