Merge pull request #1222 from ascholerChemeketa/accessibility_fixes

Accessibility fixes

Author: bnmnetp

runestone/common/project_template/_templates/plugin_layouts/sphinx_bootstrap/layout.html

@@ -32,8 +32,8 @@
 
     <div class="navbar-header">
       <!-- .btn-navbar is used as the toggle for collapsed navbar content -->
-      <button type='button' class='navbar-toggle' data-toggle="collapse" data-target=".navbar-ex1-collapse">
-        <span class="icon-bar" aria-label="navbar toggle">toggle navbar</span>
+      <button type='button' class='navbar-toggle' data-toggle="collapse" data-target=".navbar-ex1-collapse" aria-label="navbar toggle">
+        <span class="icon-bar"></span>
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
       </button>
@@ -307,8 +307,8 @@
 
   {% block body %}
   {% endblock %}
-  <div id=scprogresscontainer>
-    You have attempted <span id=scprogresstotal></span> of <span id=scprogressposs></span> activities on this page <div id="subchapterprogress"></div>
+  <div id="scprogresscontainer">
+    You have attempted <span id="scprogresstotal"></span> of <span id="scprogressposs"></span> activities on this page <div id="subchapterprogress" aria-label="Page progress"></div>
   </div>
   {% block nextprevious %}
       {% include "subchapter.html" %}

runestone/common/project_template/conf.tmpl

@@ -61,8 +61,8 @@ version = '0.0.1'
 release = '0.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#language = None
+# for a list of supported languages. https://www.sphinx-doc.org/en/master/usage/configuration.html
+language = "en"
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used: