@media screen {
    body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            color: #333;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            margin: 0;
        }
        #titre {
            font-size: 24px;
            font-weight: bold;
            color: #0056b3;
            text-align: center;
            margin-bottom: 20px;
        }
        #contenu_c {
            width: 80%;
            max-width: 1100px;
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }
        table, th, td {
            border: 1px solid #ddd;
        }
        th, td {
            padding: 12px;
            text-align: left;
        }
        th {
            background-color: #0056b3;
            color: white;
        }
        td {
            background-color: #f9f9f9;
        }
        td a {
            color: #0056b3;
            text-decoration: none;
        }
        td a:hover {
            text-decoration: underline;
        }
        .bouton_nav {
            background-color: #0056b3;
            color: white;
            border: none;
            padding: 10px 20px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 4px 2px;
            cursor: pointer;
            border-radius: 4px;
        }
        .bouton_nav:hover {
            background-color: #004494;
        }
        #navigation {
            text-align: left;
        }
        .validation {
            display: flex;
            justify-content: center;
        }
        .validation img {
            border: 0;
            width: 88px;
            height: 31px;
        }
	
}