2
yes. look closely into any of the morphogenesis theme versions. it can be in these two ways, applied as css styles:
In the theme.html
<{$xoops_dirname}>
In the other blocks .html
<{$block.module}>
Ex CSS blocks.html:
#xo-canvas-leftcolumn .xo-block.smartsection .xo-blockcontent
Ex CSS theme.html
body.smartsection #...
www.polymorphee.com
www.xoopsdesign.com