/* Basic sample */
:root {
    --page-height: 828px;
    --page-width: 593px;
    --book-width: calc(var(--page-width) * 2);
}

.flipbook-viewport {
    position: absolute;
    width: 1920px;
    height: calc(1080px - 210px);
    top: 225px;
    z-index: 1;
}

.flipbook-viewport.hidden {
    pointer-events: none;
    opacity: 0;
}

.flipbook-viewport .container {
    position: relative;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
}

.flipbook-viewport .flipbook {
    width: var(--book-width);
    height: var(--page-height);
}

.flipbook-viewport .page {
    width: var(--page-width);
    height: var(--page-height);
    background-color: white;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

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

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

.flipbook-viewport .shadow {
    -webkit-transition: -webkit-box-shadow 0.5s;
    -moz-transition: -moz-box-shadow 0.5s;
    -o-transition: -webkit-box-shadow 0.5s;
    -ms-transition: -ms-box-shadow 0.5s;

    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    -o-box-shadow: none;
    -ms-box-shadow: none;
    box-shadow: none;

    /* -webkit-box-shadow: 0 0 20px #ccc;
    -moz-box-shadow: 0 0 20px #ccc;
    -o-box-shadow: 0 0 20px #ccc;
    -ms-box-shadow: 0 0 20px #ccc;
    box-shadow: 0 0 20px #ccc; */
}

.flipbook-viewport .next-button,
.flipbook-viewport .previous-button {
    width: 44px;
    height: var(--page-height);
    position: absolute;
    top: 0%;
    background-repeat: no-repeat;
    background-color: white;
    background-position: center center;
}

.flipbook-viewport .next-button {
    right: -44px;
    -webkit-border-radius: 0 15px 15px 0;
    -moz-border-radius: 0 15px 15px 0;
    -ms-border-radius: 0 15px 15px 0;
    -o-border-radius: 0 15px 15px 0;
    border-radius: 0 15px 15px 0;
    background-image: url("../assets/pics/chevron-right.png");
}

.flipbook-viewport .previous-button {
    left: -44px;
    -webkit-border-radius: 15px 0 0 15px;
    -moz-border-radius: 15px 0 0 15px;
    -ms-border-radius: 15px 0 0 15px;
    -o-border-radius: 15px 0 0 15px;
    border-radius: 15px 0 0 15px;
    background-image: url("../assets/pics/chevron-left.png");
}