<button class="radikalwp-btn-shake">مهلت تموم میشه!<//button>

.radikalwp-btn-shake {
  padding: 12px 30px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: #dc2626;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  animation: radikalwp-shake 3s ease-in-out infinite;
}
@keyframes radikalwp-shake {
  0%, 88%, 100% { transform: translateX(0) rotate(0); }
  90% { transform: translateX(-3px) rotate(-1.5deg); }
  93% { transform: translateX(3px) rotate(1.5deg); }
  96% { transform: translateX(-2px) rotate(-1deg); }
}