diff --git a/assets/book.scss b/assets/book.scss
index 2032466..e817d38 100644
--- a/assets/book.scss
+++ b/assets/book.scss
@@ -5,6 +5,7 @@
 html {
   font-size: $font-size-base;
   letter-spacing: 0.33px;
+  scroll-behavior: smooth;
 }
 
 html,