body {
            font-family: 'Roboto', sans-serif;
            margin: 20px;
            background-color: #f0f4f8;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
        }
        h1 {
            color: #34495e;
            text-shadow: 2px 2px 4px #bbb;
            margin-bottom: 10px;
            font-size: 2.5em;
        }
        h2 {
            color: #34495e;
            margin-bottom: 10px;
            font-size: 1.5em;
        }
        p {
            font-size: 1.2em;
            color: #555;
            margin-bottom: 20px;
            text-align: center;
            max-width: 600px;
        }
        .card-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            transition: transform 0.3s;
        }
        .card {
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            width: 220px;
            text-align: center;
            padding: 20px;
            font-size: 18px;
            transition: transform 0.3s;
        }
        .card:hover {
            transform: scale(1.05);
        }
        .marron, .amarillo, .gris, .verde, .azul, .sanitarios {
            padding: 10px;
            border-radius: 8px;
            margin-bottom: 10px;
            font-size: 1.1em;
            color: white;
            transition: background-color 0.3s;
        }
        .marron {
            background-color: #A52A2A;
        }
        .amarillo {
            background-color: #FFD700;
            color: black;
        }
        .gris {
            background-color: #808080;
        }
        .verde {
            background-color: #008000;
        }
        .azul {
            background-color: #0000FF;
        }
        .sanitarios {
            background-color: #FF69B4;
        }