@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
     :root {
        --primary-color: #1a2a3a;
        --secondary-color: #33547f;
        --aside-color: #295da1c6;
        --accent-color: #6ab7e4;
        --text-color: #e0e1dd;
        --text-title: #ffffff;
        --background-color: #04717b;
        --footer-color: #20344d;
    }
    
    body {
        width: 100%;
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
    }
    
    header {
        background-color: var(--background-color);
        color: white;
        padding: 20px;
        text-align: center;
    }
    
    .container {
        display: flex;
        flex-wrap: wrap;
        width: 100%;
        max-width: 100%;
        max-width: 1800px;
        margin: 0 auto;
        padding: 20px;
        box-sizing: border-box;
    }
    
    .column {
        flex: 1;
        padding: 20px;
        background-color: white;
        margin: 10px;
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    }
    
    .event {
        margin-bottom: 20px;
        text-align: center;
    }
    
    .event img {
        width: 100px;
        height: auto;
        border-radius: 5px;
    }
    
    .btn {
        display: inline-block;
        background-color: #09677a;
        color: white;
        padding: 10px 15px;
        text-decoration: none;
        border-radius: 5px;
        transition: background-color 0.3s;
    }
    
    .btn:hover {
        background-color: #004999;
        transform: scale(1.05);
    }
    
    .events-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    h1 {
        margin: 0;
        font-size: 36px;
    }
    
    nav ul {
        list-style-type: none;
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f2f2f2;
    }
    
    nav li {
        float: left;
    }
    
    nav li a {
        display: block;
        color: #333;
        text-align: center;
        padding: 14px 16px;
        text-decoration: none;
    }
    
    nav li a:hover {
        background-color: #ddd;
    }
    
    main {
        margin: 40px auto;
        max-width: 800px;
        padding: 0 20px;
    }
    
    h2 {
        font-size: 2em;
        margin-bottom: 2em;
    }
    
    p {
        font-size: 1em;
    }
    
    section.affiche {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-around;
    }
    
    img.pub_affichage {
        width: auto;
        height: 600px;
    }
    
    .event {
        margin-bottom: 20px;
        text-align: center;
        border: 2px solid #ddd;
        border-radius: 10px;
        padding: 15px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }
    
    .event:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }
    
    .event img {
        max-width: 100%;
        height: auto;
        border-radius: 5px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    footer {
        background-color: #333;
        color: white;
        padding: 20px;
        text-align: center;
    }
    
    .events-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .book-list {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }
    
    .book {
        background-color: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        padding: 1em;
        width: 200px;
        text-align: center;
        transition: transform 0.3s;
    }
    
    .book:hover {
        transform: translateY(-5px);
    }
    
    .book img {
        width: 150px;
        height: 225px;
        object-fit: cover;
        border-radius: 4px;
        margin-bottom: 1em;
    }
    
    @keyframes pulse {
        0% {
            box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.4);
        }
        70% {
            box-shadow: 0 0 0 10px rgba(0, 102, 204, 0);
        }
        100% {
            box-shadow: 0 0 0 0 rgba(0, 102, 204, 0);
        }
    }
    /* ******************************************************** */
    /* ******************************************************** */
    /* ******************************************************** */
    /* ******************************************************** */
    /* ********************** PETIT ECRAN ********************* */
    /* ******************************************************** */
    /* ******************************************************** */
    /* ******************************************************** */
    /* ******************************************************** */
    
    @media screen and (max-width:800px) {
        section.affiche {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-around;
        }
        .container {
            flex-direction: column;
        }
        .column {
            flex: none;
            width: 100%;
        }
        .events-grid {
            grid-template-columns: 1fr;
        }
        .book {
            width: 100%;
        }
    }