body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}
.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}
label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}
input {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    padding: 8px 15px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 10px;
}
button:hover {
    background-color: #0056b3;
}
#result {
    margin-top: 20px;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 4px;
}