It looks like Django 1.6 finally added a span around form field help texts so take advantage of that and apply our help text style to it

OleLaursen · OleLaursen · commit f9407c57b80a · 2014-05-23T16:24:40.000Z
- Legacy-Id: 7775
diff --git a/static/css/base2.css b/static/css/base2.css
@@ -177,7 +177,7 @@ form table th {
   vertical-align: top;
 }
 
-form table .help {
+form table .help, form table .helptext {
   font-style: italic;
   font-size: 11px;
 }

Original file line number	Diff line number	Diff line change
`@@ -177,7 +177,7 @@ form table th {`
`177`	`177`	`vertical-align: top;`
`178`	`178`	`}`
`179`	`179`
`180`		`-form table .help {`
	`180`	`+form table .help, form table .helptext {`
`181`	`181`	`font-style: italic;`
`182`	`182`	`font-size: 11px;`
`183`	`183`	`}`