Update

_includes/2017/head.html

@@ -11,6 +11,7 @@
   <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/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'>

_sass/2017/components/h3-section.scss

@@ -94,8 +94,10 @@
  */
 
 .h3-section.-prime > .body {
+  @media (min-width: 481px) {
     border-radius: 2px;
     box-shadow:
       0 8px 12px rgba($baseB-600, 0.3),
       0 2px 3px rgba($baseB-400, 0.35);
+  }
 }

_sass/2017/markdown/table.scss

@@ -61,7 +61,7 @@
     border-radius: 3px;
     margin-right: 2px;
     letter-spacing: 0.2em;
-    font-family: roboto;
+    font-family: $body-font;
     color: $text-color;
   }
 }

_sass/2017/style.scss

@@ -1,7 +1,8 @@
 $gutter: 32px;
 $column: 400px;
 
-$body-font: roboto, sans-serif;
+$system-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
+$body-font: $system-font;
 $monospace-font: 'fira mono', Consolas, menlo, 'Andale Mono', 'Ubuntu Mono', monospace;
 
 $body-bg: #f8f8fb;

exunit.md

@@ -1,8 +1,11 @@
 ---
 title: ExUnit
 category: Elixir
+layout: 2017/sheet
 ---
 
+### Test cases
+
 ```elixir
 defmodule MyTest do
   use ExUnit.Case
@@ -43,7 +46,7 @@ defmodule AssertionTest do
 end
 ```
 
-### [Assertions](http://devdocs.io/elixir/ex_unit/exunit.assertions)
+### Assertions
 
 ```elixir
 assert x == y
@@ -57,8 +60,11 @@ assert_raise ArithmeticError, "message", fn -> ...
 assert_raise ArithmeticError, ~r/message/, fn -> ...
 
 flunk "This should've been an error"
+```
 
+See: [Assertions](http://devdocs.io/elixir/ex_unit/exunit.assertions)
 
 ## Also see
+{: .-one-column}
 
 - <http://devdocs.io/elixir/ex_unit/exunit#configure/1>