bug#50116: Text on GNU grep webpage far too big

[Paul Eggert]

Thanks for reporting the problem. I installed the attached patch to the 
Gnulib web page's manual.css. It fixed things for me after I forced my 
browser to reload.
Index: manual.css
===================================================================
RCS file: /web/gnulib/gnulib/manual.css,v
retrieving revision 1.9
retrieving revision 1.10
diff -p -u -r1.9 -r1.10
--- manual.css	15 Dec 2020 14:05:27 -0000	1.9
+++ manual.css	20 Aug 2021 19:28:37 -0000	1.10
@@ -41,15 +41,10 @@ div.lisp > pre.lisp {
     color: #433;
 }
 
-/* Make the title and node titles more visible.  Optionally use Fira Sans,
-   if available, which is more pleasant and more compact than Helvetica.  */
-.settitle, .top, .chapter {
+/* In title and node titles, use Fira Sans if available as it is more
+   pleasant and more compact than Helvetica.  */
+.settitle, .top, .chapter, .section, .subsection, .subsubsection {
     font-family: Fira Sans, sans;
-    font-size: 250%;
-}
-.section, .subsection, .subsubsection { 
-    font-family: Fira Sans, sans;
-    font-size: 150%; 
 }
 
 /* ----- coreutils specific styling ----- */