<p>Would you like to subscribe to our channel?</p>
<button class="joinBtn">Subscribe</button>

.joinBtn {
  width: 10em;
  height: 5ex;
  background-image: linear-gradient(135deg, #f34079 40%, #fc894d);
  border: none;
  border-radius: 5px;
  font-weight: bold;
  color: white;
  cursor: pointer;
}

.joinBtn:active {
  box-shadow: 2px 2px 5px #fc894d;
}