body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    background-color: hsla(0, 55%, 87%, 0.507);
    margin: 0;
    padding: 0;
}

form {
    background-color: white;
    text-align: center;
    max-width: 350px;
    margin: auto;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 5px 5px 15px hsla(0, 0%, 0%, 0.055);
}

#textBox {
    width: 50%;
    text-align: center;
    font-size: 2em;
    border: 2px solid hsla(0, 0%, 0%, 0.8);
    border-radius: 4px;
    margin-bottom: 15px;
}

label {
    font-size: 1.5em;
    font-weight: bold;
}

input[type="radio"] {
    margin: 10px;
    transform: scale(1.2);
    cursor: pointer;
}

button {
    margin-top: 15px;
    background-color: hsla(352, 89%, 50%, 0.822);
    cursor: pointer;
    font-size: 1.5em;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    color: white;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: hsla(355, 100%, 88%, 0.712);
    color: black;
}

#result {
    font-size: 35px;
    font-weight: bold;
    margin-top: 20px;
}

/* Mobile responsiveness */
@media (max-width: 400px) {
    form {
        max-width: 90%;
        padding: 20px;
    }

    #textBox {
        width: 80%;
    }

    label {
        font-size: 1.2em;
    }

    button {
        font-size: 1.2em;
    }

    #result {
        font-size: 28px;
    }
}