body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
}

/* Container */
.container {
    width: 350px;
    margin: 50px auto;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    text-align: center;
}

/* Heading */
h2 {
    margin-bottom: 15px;
}

/* Inputs */
input {
    width: 90%;
    padding: 10px;
    margin: 6px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

/* Button */
button {
    padding: 10px 20px;
    margin-top: 10px;
    cursor: pointer;
    border: none;
    background-color: #333;
    color: white;
    border-radius: 5px;
}

/* Output */
#result {
    margin-top: 15px;
    text-align: left;
    font-weight: bold;
}