Internet Explorer uses DOCTYPE sniffing to choose between standards mode and a `` quirks mode '' in which it deliberately mimicks nonstandard behaviours of old versions of MSIE for HTML and CSS rendering on screen ( Internet Explorer always uses standards mode for printing ) .
Internet Explorer uses DOCTYPE sniffing to choose between standards mode and a `` quirks mode '' in which it deliberately mimicks nonstandard behaviors of old versions of MSIE for HTML and CSS rendering on screen ( Internet Explorer always uses standards mode for printing ) .