body {
    font-family: 'Courier New', Courier, monospace;
    background-color: #f9f9f9;
    color: #333;
}

pre {
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    overflow-x: auto;
}

code {
    background-color: #f0f0f0;
    border-radius: 3px;
    padding: 2px 4px;
}

.highlight {
    background-color: #e6f7ff;
    border-left: 3px solid #007acc;
    padding: 5px;
}

.collapsible {
    background-color: #f1f1f1;
    cursor: pointer;
    padding: 10px;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
}

.active, .collapsible:hover {
    background-color: #ccc;
}

.content {
    padding: 0 18px;
    display: none;
    overflow: hidden;
    background-color: white;
}