[gtk+] css docs: remove useless <para>

[Matthias Clasen <matthiasc src gnome org>]

commit c1ce599e1193ee90c8d902f7aac330767d85bec2
Author: Arnaud Rebillout <elboulangero gmail com>
Date:   Sat Dec 16 22:32:08 2017 +0700

    css docs: remove useless <para>
    
    Signed-off-by: Arnaud Rebillout <elboulangero gmail com>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=791710

 docs/reference/gtk/css-properties.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/gtk/css-properties.xml b/docs/reference/gtk/css-properties.xml
index 7f828be..33d3d8f 100644
--- a/docs/reference/gtk/css-properties.xml
+++ b/docs/reference/gtk/css-properties.xml
@@ -1254,7 +1254,7 @@ We use <literallayout> for syntax productions, and each line is put in a <code>
           </thead>
           <tbody>
             <row>
-              <entry><para>background</para></entry>
+              <entry>background</entry>
               <entry><code>[ 〈bg-layer〉 , ]* 〈final-bg-layer〉</code></entry>
               <entry>see individual properties</entry>
               <entry><ulink 
url="https://www.w3.org/TR/2011/REC-CSS2-20110607/colors.html#propdef-background";>CSS2</ulink>,