diff --git a/app/common/styles/layout/content.scss b/app/common/styles/layout/content.scss
index 5a58478..e50f826 100644
--- a/app/common/styles/layout/content.scss
+++ b/app/common/styles/layout/content.scss
@@ -44,6 +44,7 @@
 }
 
 .subhead {
+  width: 100%;
   border-bottom: 1px solid $medgrey;
   padding-bottom: .5em;
 }