body {

    font-family: Arial, sans-serif;

    background: linear-gradient(to right, #4facfe, #00f2fe);

    margin: 0;

    min-height: 100vh;

    display: flex;

    justify-content: center;

    align-items: center;

}

.contenedor {

    background-color: white;

    padding: 40px;

    width: 500px;

    border-radius: 15px;

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

    text-align: center;

}

h1 {

    color: #2c3e50;

    margin-bottom: 25px;

}

button,
input[type="Button"] {

    background-color: #0077cc;

    color: white;

    border: none;

    padding: 12px 20px;

    margin-top: 15px;

    border-radius: 8px;

    cursor: pointer;

    font-size: 16px;

}

button:hover,
input[type="Button"]:hover {

    background-color: #005fa3;

}

input[type="text"] {

    padding: 10px;

    margin: 10px 0;

    width: 80%;

    border-radius: 8px;

    border: 1px solid #ccc;

    font-size: 16px;

}

#texto,
#resultado {

    margin-top: 20px;

    font-size: 20px;

    color: #34495e;

}