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

        .resultado {
            padding: 10px;
            margin: 10px 0;
            border: 1px solid #f32121;
        }

        hr {
            margin: 20px 0;
        }

        .volver-atras {
            background-color: rgb(250, 0, 0);
            color: white;
            border: none;
            padding: 10px 15px;
            text-decoration: none;
            border-radius: 2px;
        }
        .volver-atras a {
            color: white;
            text-decoration: none;
        }
        tr, td {
            background-color: #ff9c9c;
            padding: 20px;
            border: 1px solid #6a0000;
        }
        th {
            background-color: #f32121;
            padding: 20px;
            color: white;
        }