diff --git a/site/themes/hugo_ff_theme/static/css/custom.css b/site/themes/hugo_ff_theme/static/css/custom.css
index 52fba6a..fafd70e 100644
--- a/site/themes/hugo_ff_theme/static/css/custom.css
+++ b/site/themes/hugo_ff_theme/static/css/custom.css
@@ -64,7 +64,7 @@ footer{
         width: 100%!important;
     }
 
-    h1{margin: 1em 0;}
-    h2{margin-top: 1em;}
-    h3{margin-top: 0.5em;}
+    h1{margin: 1em 0;overflow-wrap: break-word;}
+    h2{margin-top: 1em;overflow-wrap: break-word;}
+    h3{margin-top: 0.5em;overflow-wrap: break-word;}
 }
\ No newline at end of file