/* Libreria */
    .bookshelf {
        position: relative;
        /*width: 80%;
        max-width: 1200px;*/
        height: auto;
        display: flex;
        flex-wrap: wrap;
        align-items: flex-end;
    }

    /* Scaffale */
    .shelf {
        position: absolute;
        bottom: -30px;
        left: 0;
        right: 0;
        height: 30px;
        background-color: rgb(225, 225, 225);
    }

    /* Scaffali dinamici */
    .dynamic-shelf {
        position: absolute;
        left: 0;
        right: 0;
        height: 30px;
        background-color:  rgb(225, 225, 225);
    }

    /* Libri */
    .book {
        position: relative;
        display: inline-block;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        text-align: center;
        cursor: pointer;
        transition: transform 0.3s ease;
        margin-top: 50px;
        transform-origin: bottom;
    }

    .book:hover {
        transform: translateY(-10px);
        transform: scale(1.1);
        z-index: 100;
    }

    /* tooltipLibrary */
    .tooltipLibrary {
        position: absolute;
        display: none;
        padding: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        font-size: 14px;
        color: #333;
        z-index: 1000;
        pointer-events: none;
        background-color: #ffffff;
    }