* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #f4f4f4;
    padding: 20px;
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

.container {
    display: flex;
    width: 100%;
    max-width: 1200px;
    height: 600px; /* Adjust height as needed */
}

#code {
    width: 50%; /* Adjust width as needed */
    height: 100%;
    border: 2px solid #007bff;
    border-radius: 5px;
    padding: 10px;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    resize: none; /* Prevent resizing for better layout */
    background-color: #fff;
    transition: border-color 0.3s;
}

#code:focus {
    outline: none;
    border-color: #0056b3;
}

#iframe {
    width: 50%; /* Adjust width as needed */
    height: 100%;
    border: 2px solid #007bff;
    border-radius: 5px;
    background-color: #fff;
}

.footer {
    margin-top: 20px;
    text-align: center;
    color: #666;
    font-size: 14px;
}