body {
            background-image: url("/Portada.png");
            background-size: cover;
            background-repeat: no-repeat;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        
        .Cuadroform {
            max-width: 420px;
            padding: 30px;
            border-radius: 10px;
            background-color: rgba(255, 255, 255, 0.8);
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
        }
        
        .Cuadroform legend {
            font-size: 2em;
            margin-bottom: 20px;
            color: #679F42;
            text-align: center;
        }
        
        .Cuadroform p {
            text-align: center;
            margin-bottom: 0;
            font-size: 1.4em;
        }
        
        .Cuadroform input[type="text"] {
            border: none;
            border-radius: 5px;
            background-color: #f2f2f2;
            color: black;
            width: 100%;
            padding: 10px;
            font-size: 1.6em;
            margin-bottom: 20px;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
        }
        
        .Cuadroform input[type="text"]:focus {
            outline: none;
            background-color: #e0e0e0;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
        }
        
        .Cuadroform input[type="submit"] {
            border: none;
            border-radius: 5px;
            background-color: #679F42;
            color: white;
            width: 100%;
            padding: 15px;
            font-size: 1.3em;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .Cuadroform input[type="submit"]:hover {
            background-color: #578d38;
        }