diff --git a/themes/hugo-book/assets/_custom.scss b/themes/hugo-book/assets/_custom.scss
index 0de9ae1..5c7a0fe 100644
--- a/themes/hugo-book/assets/_custom.scss
+++ b/themes/hugo-book/assets/_custom.scss
@@ -1,3 +1,6 @@
 /* You can add custom styles here. */
 
 // @import "plugins/numbered";
+.container {
+	max-width: 110rem;
+}
\ No newline at end of file