body {
    /* Margin bottom by footer height */
    /*    margin-bottom: 60px;*/
    margin-bottom: auto;
    /*    background-color: #f8f8f8;
    color: #201f7c;*/
    background-color: white;
    color: indigo;
}

.book-title {
    width: 100%;
    text-align: center;
    background-color: lightsteelblue;
    font-weight: bold;
    font-size: 30px;
    background-color: whitesmoke;
}


.book-unit-title-btn {
    width: 100%;
    text-align: left;
    background-color: lightsteelblue;
    font-weight: bold;
    font-size: 22px;
}

.book-unit-item-header-btn {
    width: 100%;
    text-align: left;
    background-color: lightsteelblue;
    font-weight: bold;
    font-size: 18px;
    padding-left: 10px;
}

.indented {
    padding-left: 10px;
}

.a {
    font-size: 30px;
}