in html, you use tags and stuff like this..
<font="arial">blahblah</font>
<font color=blue>blahblah</font>
<font size=2>asdalsdj</font>
but in css, you put stuff like this:
<style type=text/css>
/* remove regular modules */
texttable.left, td.mainleft, table.left, table.navigation, table.search{display:none}
table.blogbody tr td {width:0px; padding: 0px;}
</style>
something like that.