.card {
    display: block;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

a.card {
    cursor: pointer;
    color: #333;
    text-decoration: none;
}

a.card:hover {
    box-shadow: 0 7px 14px rgba(0,0,0,0.25), 0 5px 5px rgba(0,0,0,0.22);
}

.card-header {
    text-align: center;
    font-size: 6rem;
    font-family: serif;
    line-height: 6rem;
    background: #666;
    color: white;
}

.card-text {
    padding: 8px;
}

.card-text h1 {
    color: #333;
    font-size: 2rem;
    margin-top: 0;
}

a.card[data-sound]::after {
  position: absolute;
  opacity: 0;
  top: 15px;
  right: 25px;
  transition: opacity 5s;
  font-family: "FontAwesome";
  content: "\f028";
  color: white;
  font-size: 2rem;
}

a.card[data-sound]:active::after {
  opacity: 1;
  transition: none;
}

/*
 * Grid Stuff
 */

.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
}

.col-md-3 {
    grid-column-end: span 3;
}