body {
            font-family: Arial, sans-serif;
            background-color: #f4f6f8;
            margin: 0;
            padding: 0;
            line-height: 1.6;
        }
        header {
            background-color: #1f2933;
            color: white;
            padding: 20px;
            text-align: center;
        }
        nav {
            background-color: #374151;
            padding: 10px;
            text-align: center;
        }
        nav a {
            color: white;
            margin: 0 10px;
            text-decoration: none;
            font-weight: bold;
        }
        nav a:hover {
            text-decoration: underline;
        }
        section {
            background-color: white;
            margin: 20px;
            padding: 20px;
            border-radius: 8px;
        }
        h2 {
            color: #1f2933;
        }
        ul {
            margin-left: 20px;
        }
        .galeria {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
        }
        .galeria div {
            background-color: #e5e7eb;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-weight: bold;
            color: #374151;
        }
        footer {
            background-color: #1f2933;
            color: white;
            text-align: center;
            padding: 10px;
            margin-top: 20px;
        }