Try to fix padding problem in code samples in docs

docs/_static/sphinx_rtd_theme-hotfix.css

@@ -0,0 +1,3 @@
+.rst-content .highlight>pre, .rst-content .linenodiv>pre {
+    line-height: normal;
+}

docs/conf.py

@@ -117,10 +117,10 @@ html_theme = 'sphinx_rtd_theme'
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+# html_context = {}
 
 # Add any paths that contain custom themes here, relative to this directory.
-html_theme_path = ['_themes']
+#html_theme_path = ['_themes']
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -290,3 +290,7 @@ texinfo_documents = [
 autodoc_member_order = 'bysource'
 
 disqus_shortname = 'python-dependency-injector'
+
+
+def setup(app):
+    app.add_stylesheet('sphinx_rtd_theme-hotfix.css')

requirements-doc.txt

@@ -1,3 +1,3 @@
 sphinx
-sphinx_rtd_theme==0.2.5b2
+sphinx_rtd_theme>=0.2.5b2
 -e git://github.com/rmk135/sphinxcontrib-disqus.git#egg=sphinxcontrib-disqus