/* Create a simple white box, and add the shadow for the initial state */
.zoom {
    border: none;
    transition: all 0.3s ease-in-out;
}

.zoom::after {
    transition: opacity 0.3s ease-in-out;
}

.zoom:hover {
    box-shadow: 2px 2px 10px 1px #3d3d3d;
    transform: scale(1.05, 1.05);
}