Note that content can go outside the principal block box, as do list item markers. Display applies to all elements and is not inherited. IE 3 does not support display. IE 4 on the PC does not support display except for none. IE 5 supports block, inline and none.
Opera supports block, none and inline.
IE 4 on the Mac supports none. Netscape only supports none usably. Height Height is principally used to specify the height of block and replaced elements. Height applies to all elements except non-replaced inline, table columns and column groups. Height is not inherited and can't be negative.