Hi Steve,
If you only want to make the topic titles look smaller you can open the:
OXYGEN_INSTALL_DIR\frameworks\dita\DITA-OT\resource\commonltr.css
CSS file (which gets copied to the output directory when transforming to
XHTML) and modify the font-sizes for the:
.topictitle1
.topictitle2
I realize I'm probably asking for someone to explain the equivalent of
string theory to a high school freshman, but I'm struggling to
understand how to modify the dita2htmlImpl.xsl file so that the
transformed files I get from Oxygen tag the task and concept
entries in my composite files are