字体大小:在IE 8的怪癖和标准模式下，大字体看起来是不同的

I'm working on taking an internal enterprise website that currently requires IE 8 quirks mode to render correctly, and modifying it so that it renders in IE 8 standards mode. One of the issues that is plaguing me is the vastly different appearance of font-size: large (and possibly other font settings, this is the first I noticed).I'm working on taking an internal enterprise we