body {
    font-family: 'Kilroy' ,Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #4CAF50;
    padding: 10px;
    color: white;
    text-align: center;
    font-size: 24px;
}

#editor {
    width: 100%;
    height: 600px;
    margin: 20px auto;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.button-container {
    margin: 20px auto;
    text-align: center;
}

.btn {
    padding: 10px 20px;
    margin: 5px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    background-color: #45a049;
}