Merge pull request #1199 from readthedocs/agj/fix-image-spacing-html4

Fix spacing issue with HTML4 images

Author: agjohnson

sphinx_rtd_theme/static/css/theme.css

@@ -33,7 +33,7 @@
       text-align: center
 
   // Usually it's a good idea to give images some space.
-  .section, section >
+  .section >, section >
     img, a > img
       margin-bottom: $base-line-height