[gtk-doc] Don't use italics for parameters

[Stefan Kost <stefkost src gnome org>]

commit 108e75e9501621b3656fbe7af8e7a6cd577c860b
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue Jul 16 19:15:32 2013 -0400

    Don't use italics for parameters
    
    The default appearance of <em> is italics and that is
    distracting and harder to read while offering no advantages.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=696570

 style.css |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/style.css b/style.css
index 72ef4cc..317a1e9 100644
--- a/style.css
+++ b/style.css
@@ -164,6 +164,11 @@ hr
   clear: both;
 }
 
+.parameter
+{
+  font-style: normal;
+}
+
 .footer
 {
   padding-top: 3.5em;