.chapters {
    width: 400px;
    height: 250px;
}

.title1 {
    font-size: 24px;
    font-family: georgia;
    font-weight: bold;
    text-align: center;
    display: block;
    width: 100%;
    line-height: 1.3;
    user-select: none;

}

.title1:hover {
    cursor: pointer;
    color: blue;
}

hr {
    border: none;
    /* remove default border */
    height: 2px;
    /* exact line height */
    background-color: var(--bot_frame_bg);
    /* visible line color */
    margin: 3px;
    /* remove extra top/bottom spacing */
    flex-basis: 100%;
    /* take full row width in flex */
}

.books_table {
    width: 100%;
    border-collapse: collapse;
}

td.bb_selected {
    text-align: center;
    border: 3px solid black;
    border-radius: 0px;
}

td {
    text-align: center;
    font-weight: bold;
    border: 1px dotted red;
    border-radius: 8px;
}

td:hover {
    cursor: pointer;
    background-color: black;
    color: #c0c0c0;
}

@media (max-width: 567px) {
    td:hover {
        background-color: var(--global-bg);
        color: black;
    }
}