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HHTML

<!-- Neon Button -->
<a href="#" class="neon-button">
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  شروع کنید
</a>

CCSS

/* Neon Button */
body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  background: #0b0f19;
  font-family: 'Vazirmatn', sans-serif;
}
.neon-button {
  position: relative;
  display: inline-block;
  padding: 15px 30px;
  color: #34d399;
  text-transform: uppercase;
  letter-spacing: 4px;
  text-decoration: none;
  font-size: 24px;
  overflow: hidden;
  transition: 0.2s;
}
.neon-button:hover {
  color: #111827;
  background: #34d399;
  box-shadow: 0 0 10px #34d399, 0 0 40px #34d399, 0 0 80px #34d399;
  transition-delay: 1s;
}
.neon-button span {
  position: absolute;
  display: block;
}
@keyframes animate1 {
  0% { right: -100%; } 100% { right: 100%; }
}
.neon-button span:nth-child(1) {
  top: 0; right: -100%; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, #34d399);
  animation: animate1 1s linear infinite;
}
@keyframes animate2 {
  0% { top: -100%; } 100% { top: 100%; }
}
.neon-button span:nth-child(2) {
  top: -100%; left: 0; width: 2px; height: 100%;
  background: linear-gradient(180deg, transparent, #34d399);
  animation: animate2 1s linear infinite;
  animation-delay: 0.25s;
}
@keyframes animate3 {
  0% { right: 100%; } 100% { right: -100%; }
}
.neon-button span:nth-child(3) {
  bottom: 0; right: 100%; width: 100%; height: 2px;
  background: linear-gradient(270deg, transparent, #34d399);
  animation: animate3 1s linear infinite;
  animation-delay: 0.5s;
}
@keyframes animate4 {
  0% { top: 100%; } 100% { top: -100%; }
}
.neon-button span:nth-child(4) {
  top: 100%; right: 0; width: 2px; height: 100%;
  background: linear-gradient(360deg, transparent, #34d399);
  animation: animate4 1s linear infinite;
  animation-delay: 0.75s;
}

JJavaScript

// Animation is pure CSS.
// No JavaScript required!
console.log("Minimalist Editor: Optimized for performance.");