data/styles/epub3.css in asciidoctor-epub3-1.5.0.alpha.15 vs data/styles/epub3.css in asciidoctor-epub3-1.5.0.alpha.16

@@ -355,9 +355,14 @@
 dl dd {
   /* minimum margin in case there is no paragraph content */
   margin-top: 0.25em;
 }
 
+td.hdlist1 {
+  font-weight: bold;
+  padding-right: 0.625em;
+}
+
 div.callout-list {
   margin-top: 0.5em;
 }
 
 div.callout-list ol {