commit 61d23ba4f6cf34599b0f30329e3347af90d65918
Author: Nhân <hi@imnhan.com>
Date:   Wed Aug 23 21:48:05 2023 +0700

    always show vertical scrollbar

diff --git a/_s4g/theme/base.css b/_s4g/theme/base.css
index 53a5d64..c10cd1f 100644
--- a/_s4g/theme/base.css
+++ b/_s4g/theme/base.css
@@ -3,6 +3,9 @@ html {
   font-size: 1em;
   max-width: 50rem;
   margin: auto;
+  /* Always show scrollbar, to prevent content shifting when navigating
+   * between long and short pages: */
+  overflow-y: scroll;
 }
 
 p,