        /* Votre CSS existant */
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            /*margin: 20px;*/
        }

        .sub_product {
            max-width: 600px;
            margin: auto;
            text-align: center;
        }
        .sub_product img {
            max-width: 100%;
            height: auto;
        }
        .download-links a {
            display: inline-block;
            margin: 10px;
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 5px;
        }
        .download-links a:hover {
            background-color: #0056b3;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: "Lucida Console", "Courier New", monospace;
            font-size: 25px;
            color: lime;
            background-color: black;
            text-align: left;
            padding: 30px 20px;
        }

        header h1 {
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
        }

        .blink {
            animation: blink 1s steps(2, start) infinite;
            -webkit-animation: blink 1s steps(2, start) infinite;
        }

        @keyframes blink {
            to {
                visibility: hidden;
            }
        }

        @-webkit-keyframes blink {
            to {
                visibility: hidden;
            }
        }

        header .github-link {
            font-size: 16px;
            color: lime;
        }

        header .github-link a {
            color: lime;
            text-decoration: none;
        }

        header .github-link a:hover {
            text-decoration: underline;
        }

        @media (max-width: 650px) { 
            header { font-size: 20px; padding: 20px 10px; text-align: center; flex-direction: column; } 
            header .github-link { margin-top: 10px; }
        }
        @media (max-width: 450px) { 
            header { font-size: 13px; padding: 20px 10px; text-align: center; flex-direction: column; } 
            header .github-link { margin-top: 10px; }
        }

        main {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            padding: 1rem;
            padding-bottom: 4rem;
        }

        .product {
            background-color: #f9f9f9;
            border: 1px solid #ddd;
            border-radius: 4px;
            margin: 1rem;
            padding: 1rem;
            width: 100%;
            max-width: 300px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            text-align: center; /* Aligner le contenu au centre */
        }

        .product img {
            width: 60%;
            height: auto;
            max-height: 200px; /* Ajustez la hauteur maximale selon vos besoins */
            margin-bottom: 1rem;
            border-radius: 4px;
            object-fit: cover; /* Pour que l'image s'adapte bien au div */
        }

        @media (min-width: 600px) {
            .product {
                width: 45%;
            }
        }

        @media (min-width: 900px) {
            .product {
                width: 30%;
            }
        }

        .show-button {
            display: flex;
            align-items: center;
            background-color: #0078d4; /* Couleur de fond du bouton */
            color: white; /* Couleur du texte */
            border: none;
            border-radius: 4px;
            padding: 0.2rem 1rem;
            margin: 0 auto; /* Centrer horizontalement */
            margin-top: 1rem;
            cursor: pointer;
            font-size: 16px;
            text-align: center;
            padding-top: 5px;
            padding-bottom: 5px;
        }

        .show-button img {
            width: 20px; /* Ajustez la taille de l'image selon vos besoins */
            height: auto;
        margin: 0px;
        margin-left: 5px;
            margin-right: 8px; /* Espace entre le logo et le texte */
            vertical-align: middle; /* Aligner verticalement au centre */
        }

        .show-button:hover {
            background-color: #005a9e; /* Couleur de fond au survol */
        }

        .download-button {
            display: flex;
            align-items: center;
            background-color: #0078d4; /* Couleur de fond du bouton */
            color: white; /* Couleur du texte */
            border: none;
            border-radius: 4px;
            padding: 0.2rem 1rem;
            margin: 0 auto; /* Centrer horizontalement */
            margin-top: 1rem;
            cursor: pointer;
            font-size: 16px;
            text-align: center;
            padding-top: 5px;
            padding-bottom: 5px;
        }

        .download-button img {
            width: 20px; /* Ajustez la taille de l'image selon vos besoins */
            height: auto;
            margin: 0px;
            margin-left: 5px;
            margin-right: 8px; /* Espace entre le logo et le texte */
            vertical-align: middle; /* Aligner verticalement au centre */
        }

        .download-button:hover {
            background-color: #005a9e; /* Couleur de fond au survol */
        }

        footer {
            background-color: gray;
            text-align: center;
            padding: 10px;
            position: fixed;
            bottom: 0;
            width: 100%;
            opacity: 0.8; /* Ajuste la valeur entre 0 (transparent) et 1 (opaque) */
        }

        footer p {
            margin: 0;
            color: white;
        }

        footer a {
            color: white;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        #returnButton {
            position: sticky;
            top: 0;
            background-color: #f2a23a;
            color: white;
            border: none;
            padding: 10px;
            cursor: pointer;
            z-index: 2;
        }