#game {
    border-radius: 10px;
    border: 1px solid #666;
    background: #232 url(../images/table.jpg);
    width: 584px;
    height: 590px;
    margin: 0 0;
    display: box;
    box-pack: center;
    box-align: center;
}

#cards {
    margin: 8px;
    position: relative;
}

/* defines styles for each card */
.card-container {
    padding: 5px;
    background-color: #ffffff;
    position: absolute;
}

.card-container-flipped {
    background-color: #ffff00;
}

.card-container-matched{
    background-color: #ff0000;
}

.card {
    -webkit-perspective: 600;
    width: 125px;
    height: 175px;
    background-size: contain;
    -moz-transition: all 0.3s;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
}

.card-container:hover {
    -webkit-box-shadow: 0 0 20px #aaa;
}