diff --git a/share/misc/docbook.css b/share/misc/docbook.css
index 5c279deaae..09bba7513f 100644
--- a/share/misc/docbook.css
+++ b/share/misc/docbook.css
@@ -124,6 +124,11 @@ dl {
 	line-height: 1.2;
 }
 
+dt {
+	font-weight: bold;
+	margin-top: 1em;
+}
+
 div.calloutlist dt {
 	float: left;
 	width: 1em;