MediaWiki:Common.css

/* CSS placed here will be applied to all skins */ .collapseButton {         /* 'show'/'hide' buttons created dynamically */ float: right;         /* by the CollapsibleTables javascript in    */ font-weight: normal;  /* MediaWiki:Common.jsare styled here    */ text-align: right;    /* so they can be customised. */   width: auto; }