* {
    margin: 0;
    padding: 0;
}
header {
    background-color:rgba(33, 33, 33, 0.9);
    color:#fff;
    display:block;
    font: 14px/1.3 Arial,sans-serif;
    height:50px;
    position:relative;
}
header h2{
    font-size: 22px;
    margin: 0px auto;
    padding: 10px 0;
    width: 80%;
    text-align: center;
}
header a, a:visited {
    text-decoration:none;
    color:#fcfcfc;
}

body {
    background: url('background.png') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;

    /* CSS3 perspective and transform */
    -webkit-perspective: 1800px;
    -moz-perspective: 1800px;
    -moz-transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
}

.book {
    left: 530px;
    position: absolute;
    top: 70px;
    width: 400px;

    /* CSS3 transform */
    -webkit-transform: rotate3d(0, 0, 1, 0deg);
    -moz-transform: rotate3d(0, 0, 1, 0deg);
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
}

.page {
    background-color: #fff;
    position: absolute;

    /* CSS3 transform */
    -webkit-transition: all 1s ease-in-out 0s;
    -moz-transition: all 1s ease-in-out 0s;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
}

.side:first-child {
    background: -webkit-linear-gradient(-45deg, #fff 0%, #ddd 100%) repeat scroll 0 0 transparent;
    background: -moz-linear-gradient(-45deg, #fff 0%, #ddd 100%) repeat scroll 0 0 transparent;
    border-left: 2px solid #000;
    height: 500px;
    overflow: hidden;
    padding: 30px 35px 80px 35px;
    position: absolute;
    width: 400px;

    /* CSS3 transform */
    -webkit-transform: translate3d(0px, 0px, 0.5px);
    -moz-transform: translate3d(0px, 0px, 0.5px);
}

.side:last-child {
    background: -webkit-linear-gradient(-45deg, #fff 0%, #ddd 100%) repeat scroll 0 0 transparent;
    background: -moz-linear-gradient(-45deg, #fff 0%, #ddd 100%) repeat scroll 0 0 transparent;
    border-right: 2px solid #000;
    height: 500px;
    overflow: hidden;
    padding: 30px 35px 80px 35px;
    position: absolute;
    width: 400px;

    /* CSS3 transform */
    -webkit-transform: rotateY(180deg);
    -moz-transform: rotateY(180deg);
}

button {
    margin-top:10px;
    float:right;
    cursor:pointer;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #050505;
    padding: 10px 20px;
    background: -moz-linear-gradient(
        top,
        #fff 0%,
        #ebebeb 50%,
        #dbdbdb 50%,
        #b5b5b5);
    background: -webkit-gradient(
        linear, left top, left bottom, 
        from(#fff),
        color-stop(0.50, #ebebeb),
        color-stop(0.50, #dbdbdb),
        to(#b5b5b5));
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    border-radius: 10px;
    border: 1px solid #949494;
    -moz-box-shadow:
        0px 1px 3px rgba(000,000,000,0.5),
        inset 0px 0px 2px rgba(255,255,255,1);
    -webkit-box-shadow:
        0px 1px 3px rgba(000,000,000,0.5),
        inset 0px 0px 2px rgba(255,255,255,1);
    box-shadow:
        0px 1px 3px rgba(000,000,000,0.5),
        inset 0px 0px 2px rgba(255,255,255,1);
    text-shadow:
        0px -1px 0px rgba(000,000,000,0.2),
        0px 1px 0px rgba(255,255,255,1);
}