Restore themes/basic/defindex.html (refs: #2986)

This reverts commits:
* 32981d1048.
* 6704672df2

CHANGES

@@ -80,6 +80,7 @@ Bugs fixed
 * #3009: Bad rendering of parsed-literals in LaTeX since Sphinx 1.4.4
 * #3000: ``option`` directive generates invalid HTML anchors
 * #2984: Invalid HTML has been generated if `html_split_index` enabled
+* #2986: themes/basic/defindex.html should be changed for html5 friendly
 * #2987: Invalid HTML has been generated if multiple IDs are assigned to a list
 * #2891: HTML search does not provide all the results
 * #1986: Title in PDF Output

sphinx/themes/agogo/static/agogo.css_t

@@ -435,6 +435,26 @@ ul.keywordmatches li.goodmatch a {
     font-weight: bold;
 }
 
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 1.3em;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
 /* -- general index --------------------------------------------------------- */
 
 table.indextable td {

sphinx/themes/basic/defindex.html

@@ -0,0 +1,35 @@
+{#
+    basic/defindex.html
+    ~~~~~~~~~~~~~~~~~~~
+
+    Default template for the "index" page.
+
+    :copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+#}
+{%- extends "layout.html" %}
+{% set title = _('Overview') %}
+{% block body %}
+  <h1>{{ docstitle|e }}</h1>
+  <p>
+    {{ _('Welcome! This is') }}
+    {% block description %}{{ _('the documentation for') }} {{ project|e }}
+    {{ release|e }}{% if last_updated %}, {{ _('last updated') }} {{ last_updated|e }}{% endif %}{% endblock %}.
+  </p>
+  {% block tables %}
+  <p><strong>{{ _('Indices and tables:') }}</strong></p>
+  <table class="contentstable"><tr>
+    <td style="width: 50%">
+      <p class="biglink"><a class="biglink" href="{{ pathto("contents") }}">{{ _('Complete Table of Contents') }}</a><br>
+         <span class="linkdescr">{{ _('lists all sections and subsections') }}</span></p>
+      <p class="biglink"><a class="biglink" href="{{ pathto("search") }}">{{ _('Search Page') }}</a><br>
+         <span class="linkdescr">{{ _('search this documentation') }}</span></p>
+    </td><td style="width: 50%">
+      <p class="biglink"><a class="biglink" href="{{ pathto("modindex") }}">{{ _('Global Module Index') }}</a><br>
+         <span class="linkdescr">{{ _('quick access to all modules') }}</span></p>
+      <p class="biglink"><a class="biglink" href="{{ pathto("genindex") }}">{{ _('General Index') }}</a><br>
+         <span class="linkdescr">{{ _('all functions, classes, terms') }}</span></p>
+    </td></tr>
+  </table>
+  {% endblock %}
+{% endblock %}

sphinx/themes/basic/static/basic.css_t

@@ -118,6 +118,28 @@ ul.keywordmatches li.goodmatch a {
     font-weight: bold;
 }
 
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 1.3em;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
 /* -- general index --------------------------------------------------------- */
 
 table.indextable {

sphinx/themes/epub/static/epub.css_t

@@ -134,6 +134,26 @@ ul.keywordmatches li.goodmatch a {
     font-weight: bold;
 }
 
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 130%;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
 /* -- general index --------------------------------------------------------- */
 
 table.indextable td {

sphinx/themes/nonav/static/nonav.css

@@ -123,6 +123,26 @@ ul.keywordmatches li.goodmatch a {
     font-weight: bold;
 }
 
+/* -- index page ------------------------------------------------------------ */
+
+table.contentstable {
+    width: 90%;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 130%;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+    font-size: 90%;
+}
+
 /* -- general index --------------------------------------------------------- */
 
 table.indextable td {

sphinx/themes/traditional/static/traditional.css_t

@@ -363,6 +363,26 @@ div.preview {
     margin-bottom: 30px;
 }
 
+
+/* :::: INDEX PAGE :::: */
+
+table.contentstable {
+    width: 90%;
+}
+
+table.contentstable p.biglink {
+    line-height: 150%;
+}
+
+a.biglink {
+    font-size: 1.5em;
+}
+
+span.linkdescr {
+    font-style: italic;
+    padding-top: 5px;
+}
+
 /* :::: GENINDEX STYLES :::: */
 
 table.indextable td {