.TenTruongReadingBook {
    color: white !important;
    /*background: var(--mau-md);*/
    color: white !important;
    padding: 10px 15px;
    border-radius: 0px 20px 20px 0px;
    text-decoration: none;
}

.TenTruongReadingBook img{
    margin-right: 10px;
    height: 100%;
}

header-readingbook{
    position: fixed;
    left: 0;
    margin: 0px 0px 0px 0px;
}

.title-header {
    font-weight: 500;
    margin: 0px;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
}

.title-1{
    font-size: 14px;
}

.title-2{
    font-size: 16px;
}

.arrow-book-navigation svg{
    font-size: calc(20px + 1vw);
    color: white;
}
.arrow-book-navigation{
    height: calc(30px + 1vw);
    width: calc(30px + 1vw);
    padding: 5px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 100%;
    position: absolute;
    cursor: pointer;
    z-index: 2022;
    visibility: hidden;
}

.arrow-book-navigation.left-arrow{
    left: -100px;
}

.arrow-book-navigation.right-arrow{
    right: -100px;
}