.mode__block {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: stretch;
    border-bottom: solid 3px #dddddd;
    padding-bottom: 3px;
}

.mode__title {
    padding: 5px 10px;
}

@media only screen and (max-width: 1023px) {
    .mode__block {
        display: none;
    }
}

.mode {
    display: inline-block;
    padding: 4px 4px;
    height: 40px;
    box-sizing: border-box;
    overflow: hidden;
}


.source {
    width: 100%;
    height: 90vh;
    left: 0;
    top: 0;
    position: relative;
    display: none;
}

.source .source-block {
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
        z-index: 301;
        overflow: scroll;
    }

.source .source-block pre {
            display: block;
            position: relative;
        }

.source .source-block pre code {
                font-size: 90%;
}

.demo-block {
    border-top: solid 1px #dcdcdc;
    border-bottom: solid 1px #dcdcdc;
}

.flip-book {
    margin: 0 auto;
    display: none;
    z-index: 100;
}

.html-book {
    background-size: cover;
}

.page {
    padding: 6px;
    background-color: #fdfaf7;
    color: #785e3a;
    border: solid 1px #c2b5a3;
    overflow: hidden;
}

    .page .page-content {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: stretch;
    }

        .page .page-content .page-header {
            height: 30px;
            font-size: 100%;
            text-transform: uppercase;
            text-align: center;
        }

        .page .page-content .page-image {
            height: 100%;
            background-size: contain;
            background-position: center center;
            background-repeat: no-repeat;
        }

        .page .page-content .page-text {
            height: 100%;
            flex-grow: 1;
            font-size: 80%;
            text-align: justify;
            margin-top: 10px;
            padding-top: 10px;
            box-sizing: border-box;
            border-top: solid 1px #f4e8d7;
        }

        .page .page-content .page-footer {
            height: 30px;
            border-top: solid 1px #f4e8d7;
            font-size: 80%;
            color: #998466;
        }

    .page.--left {
        border-right: 0;
        box-shadow: inset -7px 0 30px -7px rgba(0, 0, 0, 0.4);
    }

    .page.--right {
        border-left: 0;
        box-shadow: inset 7px 0 30px -7px rgba(0, 0, 0, 0.4);
    }

        .page.--right .page-footer {
            text-align: right;
        }

    .page.hard {
        background-color: #fff;
        border: solid 1px #998466;
    }

    .page.page-cover {
        background-color: #fff;
        color: #785e3a;
        border: solid 1px #998466;
    }

        .page.page-cover h2 {
            text-align: center;
            padding-top: 50%;
            font-size: 210%;
        }

        .page.page-cover.page-cover-top {
            box-shadow: inset 0px 0 30px 0px rgba(36, 10, 3, 0.5), -2px 0 5px 2px rgba(0, 0, 0, 0.4);
        }

        .page.page-cover.page-cover-bottom {
            box-shadow: inset 0px 0 30px 0px rgba(36, 10, 3, 0.5), 10px 0 8px 0px rgba(0, 0, 0, 0.4);
        }


.pBlock--main {
    width: 1920px;
    height: auto;
    margin: 0 auto;
    overflow: hidden;
    background-size: cover;
}

.pBlock--mobile {
    width: 844px;
    height: 390px;
    margin: 0 auto;
    overflow: hidden;
    background-size: cover;
}

.pBlock--tablet {
    width: 620px;
    height: 349px;
    margin: 0 auto;
    overflow: hidden;
    background-size: cover;
}
.pBlock--fullPage {
    width: 900px;
    height: 506px;
    margin: 0 auto;
    overflow: hidden;
    background-size: cover;
}
.pBlock--tablet-l {
    width: 900px;
    height: 506px;
    margin: 0 auto;
    overflow: hidden;
    background-size: cover;
}