diff --git a/assets/css/style.scss b/assets/css/style.scss
index 7c1714ec..5fea8f40 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -1,5 +1,5 @@
 @import "{{ site.theme }}";
 
-.shell {
+div.shell {
     width: 80%;
 }