body {
        font-family: Arial, sans-serif;
        margin: 20px;
        line-height: 1.6;
        background-color: #f4f4f4;
    }

    .mw-parser-output {
        background-color: #ffffff;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .mw-headline {
        color: #333;
    }

    #toc {
        margin-bottom: 20px;
    }

    #toc .toctitle h2 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    #toc ul {
        list-style-type: none;
        padding-left: 0;
    }

    #toc li {
        margin-bottom: 5px;
    }

    #toc a {
        text-decoration: none;
        color: #007BFF;
    }

    .tabber {
        margin-top: 20px;
    }

    .tabber__header {
        display: flex;
        justify-content: space-around;
        background-color: #e9ecef;
        padding: 10px;
        border-radius: 8px 8px 0 0;
    }

    .tabber__section .tabber__panel {
        padding: 20px;
        background-color: #ffffff;
        border: 1px solid #e9ecef;
        border-radius: 0 0 8px 8px;
    }

    iframe {
        max-width: 100%;
        border: none;
    }
    .button-container {
        margin-top: 20px;
    }

    .button-container button {
        font-size: 16px;
        padding: 10px 20px;
        margin-right: 10px; /* space between buttons */
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: background-color 0.3s;
    }

    .button-container button:hover {
        background-color: #007BFF;
        color: #ffffff;
    }