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; } .navbox .collapseButton { /* In navboxes, the show/hide button balances */ width: 6em;           /* the vde links from Template:Navbar,   */ }                         /* so they need to be the same width. */