<div class="card-23">
  <span class="card-23__tag">Pulse</span>
  <h4 class="card-23__title">Shockwave</h4>
  <p class="card-23__body">Two ripple rings expand outward on hover.</p>
</div>

.card-23__tag {
  font-family: monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(124, 108, 255, 0.15);
  color: #7c6cff;
  border: 1px solid rgba(124, 108, 255, 0.3);
  display: inline-block;
  margin-bottom: 10px;
}
.card-23__title {
  font-size: 17px;
  font-weight: 700;
  color: #f0eeff;
  margin-bottom: 6px;
}
.card-23__body {
  font-size: 13px;
  color: #b8b6d4;
  line-height: 1.6;
}
.card-23 {
  width: 100%;
  max-width: 280px;
  position: relative;
  overflow: visible;
  padding: 22px;
  border-radius: 14px;
  background: #17171f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.card-23:hover {
  border-color: rgba(124, 108, 255, 0.5);
  transform: scale(1.02);
}
.card-23::before,
.card-23::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 20px;
  border: 2px solid rgba(124, 108, 255, 0.55);
  opacity: 0;
  pointer-events: none;
}
.card-23:hover::before {
  animation: card-23-a 0.7s cubic-bezier(0.2, 0.6, 0.4, 1) forwards;
}
.card-23:hover::after {
  animation: card-23-b 0.7s cubic-bezier(0.2, 0.6, 0.4, 1) 0.18s forwards;
}
@keyframes card-23-a {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.18); opacity: 0; }
}
@keyframes card-23-b {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.32); opacity: 0; }
}