diff --git a/css/epub.css b/css/epub.css
index 17123ab..1d9fca0 100644
--- a/css/epub.css
+++ b/css/epub.css
@@ -39,6 +39,10 @@ h6 {
 	margin: 1.67em 0;
 }
 
+hr {
+	margin: 0.5em 0;
+}
+
 dt {
 	margin-top: 1.12em;
 }