body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

h1,
h2,
h3 {
    color: #333;
}

pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.input-group {
    margin: 20px 0;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
}

.input-group input {
    padding: 8px;
    width: 200px;
    margin-bottom: 10px;
}

.output {
    color: #007bff;
    font-weight: bold;
}

button {
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}