body{
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #4facfe, #00f2fe);
    margin: 0;
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

.contenedor{
    background-color: white;
    width: 450px;
    padding: 40px;

    border-radius: 15px;

    text-align: center;

    box-shadow: 0 0 20px rgba(0,0,0,0.2);
}

h1{
    color: #2c3e50;
    margin-bottom: 25px;
}

p{
    font-size: 22px;
    color: #34495e;
}

.resultado{
    color: #0077cc;
    font-weight: bold;
}