diff --git a/src/js/style.css b/src/js/style.css
index a506c6a..f790752 100644
--- a/src/js/style.css
+++ b/src/js/style.css
@@ -47,6 +47,10 @@
     z-index: 1;
 }
 
+.enable_better_github_pr .comment-holder {
+    max-width: 708px;
+}
+
 /* react-treeview */
 
 .tree-view_item {