(defn
heading
([s] (heading s ""))
([s sub-head]
(str
"<div style=\""
"font-size: 26px;"
"line-height: 26px;"
"margin-bottom: 2px;"
"padding-top: 1px;"
"\">"
s
" <span style=\""
"display: inline-block;"
"font-size: 13px;"
"\">"
sub-head
"</span></div>")))