Quelltext der Seite MediaWiki:Common.css

.transclusion-container .additional {
    display:none;
}

.additional {
    border:dotted lightgrey;
    padding: 0.5em;
}

body.mce-content-body .additional {
    background-color: lightgreen;
}

.transclusion-container div.show.additional {
    display:block;
}

.transclusion-container span.show.additional {
    display:inline-block;
}

.languageselector {
    float:right;
}

.transclusion-container .languageselector {
    display:none;
}