diff --git a/docs/libs/bs4_book-1.0.0/bs4_book.css b/docs/libs/bs4_book-1.0.0/bs4_book.css
index 0bc45a0..af1310d 100644
--- a/docs/libs/bs4_book-1.0.0/bs4_book.css
+++ b/docs/libs/bs4_book-1.0.0/bs4_book.css
@@ -16,16 +16,16 @@ that the columns never get too wide, either individually or collectively.
 
 @media (min-width: 1200px) {
   .container-fluid {
-    max-width: 95rem;
+    max-width: 120rem;
   }
   .container-fluid .row {
     justify-content: space-evenly;
   }
   .container-fluid main {
-    max-width: 45rem;
+    max-width: 60rem;
   }
   .sidebar {
-    max-width: 15rem;
+    max-width: 30rem;
   }
 
   /* Increase font-size for very wide devices */