.playingCards .card {
    display: inline-block;
    width: 6.6em;
    height: 9.2em;
    border: 1px solid #666;
    border-radius: .3em;
    -moz-border-radius: .3em;
    -webkit-border-radius: .3em;
    -khtml-border-radius: .3em;
    padding: .25em;
    margin: 0 .5em .5em 0;
    text-align: center;
    font-size: 2.4em; /* @change: adjust this value to make bigger or smaller cards */
    font-weight: normal;
    font-family: Arial, sans-serif;
    position: relative;
    background-color: #fff;
    -moz-box-shadow: .2em .2em .5em #333;
    -webkit-box-shadow: .2em .2em .5em #333;
    box-shadow: .2em .2em .5em #333;
}
body {
            margin: 2em 20%;
            background-image: url("background.jpg");
            background-size: 300px;
            color: white;
        }