diff --git a/_includes/2017/head.html b/_includes/2017/head.html
index d0ff25655..aa4a893d8 100644
--- a/_includes/2017/head.html
+++ b/_includes/2017/head.html
@@ -6,13 +6,14 @@
 
   <!-- 3rd-party libs -->
   <script src='https://code.jquery.com/jquery-3.1.0.js'></script>
-  <script src='https://unpkg.com/isotope-layout@3/dist/isotope.pkgd.min.js'></script>
+  <script src='https://unpkg.com/isotope-layout@3.0.4/dist/isotope.pkgd.min.js'></script>
   <script src='https://unpkg.com/prismjs@1.6.0'></script>
   <script src='https://unpkg.com/prismjs@1.6.0/components/prism-jsx.min.js'></script>
   <script src='https://unpkg.com/prismjs@1.6.0/components/prism-bash.min.js'></script>
   <script src='https://unpkg.com/prismjs@1.6.0/components/prism-scss.min.js'></script>
   <script src='https://unpkg.com/prismjs@1.6.0/components/prism-elixir.min.js'></script>
   <script src='https://unpkg.com/prismjs@1.6.0/plugins/line-highlight/prism-line-highlight.min.js'></script>
+  <link rel='stylesheet' href='https://unpkg.com/sanitize.css@5.0.0/sanitize.css'>
   <link rel='stylesheet' href='https://unpkg.com/prismjs@1.6.0/themes/prism.css'>
   <link rel='stylesheet' href='https://unpkg.com/prismjs@1.6.0/plugins/line-highlight/prism-line-highlight.css'>
 
diff --git a/_sass/2017/style.scss b/_sass/2017/style.scss
index a8a43e5e4..ef487a473 100644
--- a/_sass/2017/style.scss
+++ b/_sass/2017/style.scss
@@ -22,9 +22,6 @@ $modularscale: (
   1280px: (base: 14px, ratio: 1.2)
 );
 
-@import url('https://unpkg.com/sanitize.css@5.0.0/sanitize.css');
-@import url('https://fonts.googleapis.com/css?family=Fira+Mono:400');
-
 @import './utils/modularscale';
 @import './utils/font-size';
 @import './base/base';