Note: After saving, you have to bypass your browser's cache to see the changes. Internet Explorer: press Ctrl-F5, Mozilla: hold down Shift while clicking Reload (or press Ctrl-Shift-R), Opera/Konqueror: press F5, Safari: hold down Shift + Alt while clicking Reload, Chrome: hold down Shift while clicking Reload.
@import"//meta.wikimedia.org/w/index.php?title=User:Redrose64/allsites.css&action=raw&ctype=text/css";/* try to stop jumping */div.mw-specialpage-summary,/* in watchlist */div#ooui-php-5,div.wbmi-entityview-captionsPanel/* in file description pages */{display:none;}