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;

}