Switch to new "lighter" doc design.

Doc/tools/sphinxext/layout.html

@@ -2,6 +2,7 @@
 {% block rootrellink %}
         <li><img src="{{ pathto('_static/py.png', 1) }}" alt=""
                  style="vertical-align: middle; margin-top: -1px"/></li>
+        <li><a href="http://www.python.org/">Python</a>{{ reldelim1 }}</li>
         <li><a href="{{ pathto('index') }}">{{ shorttitle }}</a>{{ reldelim1 }}</li>
 {% endblock %}
 {% block extrahead %}

Doc/tools/sphinxext/pyspecific.py

@@ -27,10 +27,10 @@ def new_visit_versionmodified(self, node):
     self.body.append(self.starttag(node, 'p', CLASS=node['type']))
     text = versionlabels[node['type']] % node['version']
     if len(node):
-        text += ': '
+        text += ':'
     else:
         text += '.'
-    self.body.append('<span class="versionmodified">%s</span>' % text)
+    self.body.append('<span class="versionmodified">%s</span> ' % text)
 
 from sphinx.writers.html import HTMLTranslator
 from sphinx.locale import versionlabels

Doc/tools/sphinxext/static/copybutton.js

@@ -17,7 +17,8 @@ $(document).ready(function() {
         'cursor':'pointer', 'position': 'absolute', 'top': '0', 'right': '0',
         'border-color': border_color, 'border-style': border_style,
         'border-width': border_width, 'color': border_color, 'text-size': '75%',
-        'font-family': 'monospace', 'padding-left': '0.2em', 'padding-right': '0.2em'
+        'font-family': 'monospace', 'padding-left': '0.2em', 'padding-right': '0.2em',
+        'border-radius': '0 3px 0 0'
     }
 
     // create and add the button to all the code blocks that contain >>>