Tried to get rid of iframe border in IE

added--
frameBorder="0" seamless="seamless" scrolling="no" hspace="0" vspace="0"
marginheight="0" marginwidth="0" seamless="seamless"
mirrored css for convex from dlilearn_custom.css

Not sure where this came from-- looks like it's used throughout gloss--
should just be using dlilearn_custom.css only....
CSS tweaks to match approved designs