Hi, The patch is nothing radical, it just adds a simple media query.
diff -r efccbd9bc6f6 doc/mutt.css --- a/doc/mutt.css Tue Aug 30 18:43:02 2016 -0700 +++ b/doc/mutt.css Sat Sep 03 00:36:54 2016 +0300 @@ -1,4 +1,7 @@ -body { margin-left:2%; margin-right:2%; font-family:serif; } +@media (min-width: 768px) { + body { width: 767px; margin: 0 auto; } +} +body { font-family:serif; } .toc, .list-of-tables, .list-of-examples { font-family:sans-serif; } h1, h2, h3, h4, h5, h6 { font-family:sans-serif; } p { text-align:justify; }