<div class="card2">
	🖼️
</div>

body {
  text-align: center;
  background: #f2f2f2;
}

.card2 {
  position: relative;
	border: 5px solid transparent;
  background: #f2f2f2;
  background-clip: padding-box;
  
  border-radius: 10px;
	
	width: 8rem;
	padding: 5rem 2rem;
	margin: 5rem auto;
  font-size: 100px;
}

.card2::after {
  content: '';
  position: absolute;
  top: -5px;
  bottom: -5px;
  left: -5px;
  right: -5px;
  background: linear-gradient(to bottom right, #22c1c3, #fdbb2d);
  z-index: -1;
  border-radius: 10px;
}