#magazine {
    width: 80%;
    height: 600px;
    margin: auto;
    position: relative;
}

.page {
    width: 50%;
    height: 100%;
    background: white;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    transform-style: preserve-3d;
    float: left;
}