[gtk-doc] Make a little more room for showing examples

[William Jon McCann <mccann src gnome org>]

commit b7813018e6e2ed045f180dff43fac2f8e77ec596
Author: William Jon McCann <william jon mccann gmail com>
Date:   Wed Feb 12 17:14:54 2014 -0500

    Make a little more room for showing examples

 style/style.css |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/style/style.css b/style/style.css
index d07a4f3..f685f1b 100644
--- a/style/style.css
+++ b/style/style.css
@@ -303,13 +303,14 @@ dl.toc > dt
 .informalfigure,
 .figure
 {
-  margin: 2em;
+  margin: 1em;
 }
 
 .informalexample,
 .example
 {
-  margin: 2em;
+  margin-top: 1em;
+  margin-bottom: 1em;
 }
 
 .warning
@@ -423,6 +424,11 @@ h2 .extralinks, h3 .extralinks
   padding: 0.5em;
 }
 .listing_lines {
+  /* this just adds visual clutter and
+     takes precious room from small screens */
+  display: none;
+}
+.listing_lines {
   /* tango:sky blue 0.5 */
   background: #a6c5e3;
   background: rgba(114, 159, 207, 0.2);