Fix broken selectors for numeric anchors

material/base.html

@@ -110,7 +110,7 @@
           <script src="https://cdn.mathjax.org/{{ path }}"></script>
         {% endif %}
       {% endfor %}
-      <script src="{{ base_url }}/assets/javascripts/application-7d4b61265c.js"></script>
+      <script src="{{ base_url }}/assets/javascripts/application-c57ff8e45a.js"></script>
       <script>var config={url:{base:"{{ base_url }}"}},app=new Application(config);app.initialize()</script>
       {% for path in extra_javascript %}
         <script src="{{ path }}"></script>

src/assets/javascripts/components/Material/Nav/Blur.js

@@ -43,7 +43,7 @@ export default class Blur {
 
     /* Index anchor node offsets for fast lookup */
     this.anchors_ = [].map.call(this.els_, el => {
-      return document.querySelector(el.hash)
+      return document.getElementById(el.hash.substring(1))
     })
   }