diff --git a/_static/custom_html.css b/_static/custom_html.css
index dc9183e..fcb1f3e 100644
--- a/_static/custom_html.css
+++ b/_static/custom_html.css
@@ -103,6 +103,12 @@ div.pre-footer-narrow {
 	margin: 30px auto 0 auto;
 }
 
+/* Fix display on very narrow screens */
+
+div.body {
+	min-width: 0;
+}
+
 /* Media queries */
 
 @media screen and (max-width: 875px) {