[gnome-user-docs] Fix incorrect image ratio for two files on Shell introduction page

[Andre Klapper <aklapper src gnome org>]

commit 04f2d02e162b027f3b7724db8e3ac4c0b00b4df3
Author: Andre Klapper <a9016009 gmx de>
Date:   Thu Jan 23 11:57:22 2020 +0100

    Fix incorrect image ratio for two files on Shell introduction page
    
    Fixes #57

 gnome-help/C/shell-introduction.page | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-help/C/shell-introduction.page b/gnome-help/C/shell-introduction.page
index aeec3555..6ec98782 100644
--- a/gnome-help/C/shell-introduction.page
+++ b/gnome-help/C/shell-introduction.page
@@ -46,7 +46,7 @@
     </media>
   </if:when>
   <if:when test="platform:gnome-classic">
-    <media type="image" src="figures/shell-top-bar-classic.png" width="500" height="40" 
if:test="!target:mobile">
+    <media type="image" src="figures/shell-top-bar-classic.png" width="500" if:test="!target:mobile">
       <p>GNOME Shell top bar</p>
     </media>
   </if:when>
@@ -207,7 +207,7 @@
     </media>
   </if:when>
   <if:when test="platform:gnome-classic">
-    <media type="image" src="figures/shell-exit-classic.png" width="250" height="200" style="floatend 
floatright" if:test="!target:mobile">
+    <media type="image" src="figures/shell-exit-classic.png" width="250" style="floatend floatright" 
if:test="!target:mobile">
       <p>User menu</p>
     </media>
   </if:when>