/* 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 25px auto;
    width: 90%;
    height: 90%;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.book .page {
    height: 100%;
}

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

.zoom-icon{
	position:absolute;
	z-index:1000;
	width:22px;
	height:22px;
	top:10px;
	right:5px;
	background-image:url(pics/zoom-icons.png);
	background-size:88px 22px;
}

.zoom-icon-in{
	background-position:0 0;
	cursor: pointer;
}

.zoom-icon-in:hover{
	background-position:-22px 0;
	cursor: pointer;
}

.zoom-icon-out{
	background-position:-44px 0;
}

.zoom-icon-out:hover{
	background-position:-66px 0;
	cursor: pointer;
}