/*html, body {
margin: 0;
height: 100%;
}

body {
background-color: #333;
}

body.hide-overflow {
overflow: hidden;
}*/

/* helpers */


.t {
    display: table; 
    width: 100%;
    height: 100%;
}

.tc {
    display: table-cell;
    vertical-align: middle;
    text-align: center;

}

.rel {
    position: relative;
}

/* book */

.book {
    margin: 0 auto;
    width: 70%;
    height: 60%;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    border: none; !important

}

.book .page {
    height: 100%;
    border: none; !important

}

.book .page img {
    width: 100%;
    height: 100%;
}