diff --git a/site/rules.html b/site/rules.html
index adde88d..e0e2e05 100644
--- a/site/rules.html
+++ b/site/rules.html
@@ -44,7 +44,7 @@
         </nav>
       </header>
       <div class="flex justify-center">
-        <div class="docs max-w-3xl xl:ml-32">
+        <div class="docs w-full max-w-3xl xl:ml-32">
           <!-- rules.md -->
           <footer class="my-16">
             <a class="anchor-link" href="/"> ➥ Back to main page </a>