.hvr-grow-shadow { display: inline-block; vertical-align: middle; transform: perspective(1px) translateZ(0); box-shadow: 0 0 1px rgba(0, 0, 0, 0); transition-duration: 0.3s; transition-property: box-shadow, transform; } .hvr-grow-shadow:hover, .hvr-grow-shadow:focus, .hvr-grow-shadow:active { box-shadow: 0 10px 10px -10px rgba(0, 0, 0, 0.5); transform: scale(1.1); }