Fixes #839, includes monospace.css (forgot to add before)

Author: heathermiller

Gemfile.lock

@@ -1,11 +1,30 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    activesupport (5.1.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
     addressable (2.5.1)
       public_suffix (~> 2.0, >= 2.0.2)
     colorator (1.1.0)
+    colored (1.2)
+    concurrent-ruby (1.0.5)
+    ethon (0.10.1)
+      ffi (>= 1.3.0)
     ffi (1.9.18)
     forwardable-extended (2.6.0)
+    html-proofer (3.7.2)
+      activesupport (>= 4.2, < 6.0)
+      addressable (~> 2.3)
+      colored (~> 1.2)
+      mercenary (~> 0.3.2)
+      nokogiri (~> 1.7)
+      parallel (~> 1.3)
+      typhoeus (~> 0.7)
+      yell (~> 2.0)
+    i18n (0.8.6)
     jekyll (3.5.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -29,6 +48,11 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
+    mini_portile2 (2.2.0)
+    minitest (5.10.3)
+    nokogiri (1.8.0)
+      mini_portile2 (~> 2.2.0)
+    parallel (1.12.0)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
@@ -42,11 +66,18 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+    thread_safe (0.3.6)
+    typhoeus (0.8.0)
+      ethon (>= 0.8.0)
+    tzinfo (1.2.3)
+      thread_safe (~> 0.1)
+    yell (2.0.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  html-proofer
   jekyll-redirect-from
 
 BUNDLED WITH

_includes/headertop.html

@@ -18,12 +18,7 @@
     <link href="{{ site.baseurl }}/resources/css/unslider.css" rel="stylesheet" type="text/css">
     <link rel="stylesheet" href="{{ site.baseurl }}/resources/css/highlightjs.css" type="text/css" />
     <link rel="stylesheet" href="{{ site.baseurl }}/resources/css/style.css" type="text/css" />
-    <link rel="stylesheet" href="{{ site.baseurl }}/resources/css/vendor/codemirror.css" type="text/css" />
-    <link rel="stylesheet" href="{{ site.baseurl }}/resources/css/vendor/monokai.css" type="text/css" />
-
-    <!-- Typekit (should stay at top of page, do not move to footer)-->
-    <!--<script type="text/javascript" src="//use.typekit.net/abh3wgk.js"></script>
-    <script type="text/javascript">try{Typekit.load();}catch(e){}</script> -->
+    <link rel="stylesheet" href="{{ site.baseurl }}/resources/css/monospace.css" type="text/css" />
 
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