<span class="radikalwp-stripe-text">فروش ویژه امروز<//span>

.radikalwp-stripe-text {
  display: inline-block;
  font-size: 42px;
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.6;
  background: repeating-linear-gradient(-45deg, #1e1b4b 0 10px, #6366f1 10px 20px, #a5b4fc 20px 22px);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: radikalwp-stripe-move 3s linear infinite;
  transition: letter-spacing .3s ease;
}
.radikalwp-stripe-text:hover { letter-spacing: 4px; }
@keyframes radikalwp-stripe-move {
  to { background-position: 31px 0; }
}