.flipbook-viewport {
    overflow: hidden !important;
    width: 100% !important;
    height: 100% !important;
}

.flipbook-viewport .container {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    margin: auto !important;
}

.flipbook-viewport .flipbook {
    width: 922px !important;
    height: 600px !important;
}

.flipbook-viewport .page {
    width: 461px !important;
    height: 600px !important;
    background-color: white !important;
    background-repeat: no-repeat !important;
    background-size: 100% 100% !important;
}

#cover, #backCover {
    background-color: transparent !important;
    background-repeat: no-repeat !important;
    background-size: 100% 100% !important;
}

.flipbook .page {
    -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2) !important;
    -moz-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2) !important;
    -ms-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2) !important;
    -o-box-shadow: 0 0 20px rgba(0, 0, 0, 0.2) !important;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2) !important;
}

.flipbook-viewport .page img {
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -khtml-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.flipbook-viewport .shadow {
    -webkit-transition: -webkit-box-shadow 0.5s !important;
    -moz-transition: -moz-box-shadow 0.5s !important;
    -o-transition: -webkit-box-shadow 0.5s !important;
    -ms-transition: -ms-box-shadow 0.5s !important;
    -webkit-box-shadow: 0 0 20px #ccc !important;
    -moz-box-shadow: 0 0 20px #ccc !important;
    -o-box-shadow: 0 0 20px #ccc !important;
    -ms-box-shadow: 0 0 20px #ccc !important;
    box-shadow: 0 0 20px #ccc !important;
}

.page {
    background: #ffffff !important;
}

#flipbook {
    margin: auto !important;
}