body, main {
    padding: 0;
    margin: 0;
    border: 0;
}

a {
    text-decoration: none;
}

img {
    vertical-align: middle;
}

.pdf-page-link {
    display: block !important;
    width: 135px;
    height: 250px;
    position: relative;
    border: 1px solid #ccc;
    margin: 5px;
}

    .pdf-page-link.selected,
    .pdf-page-link.selected:active,
    .pdf-page-link.selected:hover {
        border: 1px solid #f96;
        cursor: auto;
    }

    .pdf-page-link:hover {
        border: 1px solid #9f9;
    }

    .pdf-page-link:active {
        border: 1px solid #cfc;
    }

    .pdf-page-link > .pdf-page-thumb {
        margin: 0;
        position: absolute;
        top: 50%;
        left: 50%;
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }

    .pdf-page-link > .pdf-page-label {
        display: inline;
        position: absolute;
        width: 100%;
        z-index: 1;
        text-align: center;
        color: #000;
        background-color: #ccc;
        margin: 0;
        padding: 0;
    }

    .pdf-page-link.selected > .pdf-page-label,
    .pdf-page-link.selected:active > .pdf-page-label,
    .pdf-page-link.selected:hover > .pdf-page-label {
        background-color: #f96;
    }

    .pdf-page-link:hover > .pdf-page-label {
        background-color: #9f9;
    }

    .pdf-page-link:active > .pdf-page-label {
        background-color: #cfc;
    }

.full-width {
    width: 100%;
}

.full-height {
    height: 100%;
}

.full-view-height {
    height: 100vh;
}

.no-padding {
    padding: 0;
}

.vlayout {
    display: flex;
    flex-direction: column;
}

.hlayout {
    display: flex;
    flex-direction: row;
}

.layout-scale-1 {
    flex-grow: 1;
}

.header {
    align-self: stretch;
    background-color: #444;
    color: #fff;
    display: flex;
    padding: 10px;
    flex-direction: row;
}

.header-info-bar {
    flex-grow: 1;
    align-self: center;
}

.header-paging-bar {
    text-align: center;
    align-self: center;
}

.overflow-auto {
    overflow: auto;
}

.navigation-bar {
    align-self: stretch;
    overflow: auto;
    flex-grow: 0;
    width: 160px;
    min-width: 160px;
    background-color: #444;
}

.content-area {
    background-color: #999;
    align-self: stretch;
    flex-grow: 1;
    text-align: center;
}