diff --git a/source/stylesheets/normalize.css b/source/stylesheets/normalize.css
index 73abb76..46f646a 100644
--- a/source/stylesheets/normalize.css
+++ b/source/stylesheets/normalize.css
@@ -1,11 +1,33 @@
-/*! normalize.css v2.0.1 | MIT License | git.io/normalize */
+/*! normalize.css v3.0.2 | MIT License | git.io/normalize */
 
-/* ==========================================================================
-   HTML5 display definitions
+/**
+ * 1. Set default font family to sans-serif.
+ * 2. Prevent iOS text size adjust after orientation change, without disabling
+ *    user zoom.
+ */
+
+html {
+    font-family: sans-serif; /* 1 */
+    -ms-text-size-adjust: 100%; /* 2 */
+    -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/**
+ * Remove default margin.
+ */
+
+body {
+    margin: 0;
+}
+
+/* HTML5 display definitions
    ========================================================================== */
 
-/*
- * Corrects `block` display not defined in IE 8/9.
+/**
+ * Correct `block` display not defined for any HTML5 element in IE 8/9.
+ * Correct `block` display not defined for `details` or `summary` in IE 10/11
+ * and Firefox.
+ * Correct `block` display not defined for `main` in IE 11.
  */
 
 article,
@@ -16,24 +38,29 @@ figure,
 footer,
 header,
 hgroup,
+main,
+menu,
 nav,
 section,
 summary {
     display: block;
 }
 
-/*
- * Corrects `inline-block` display not defined in IE 8/9.
+/**
+ * 1. Correct `inline-block` display not defined in IE 8/9.
+ * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
  */
 
 audio,
 canvas,
+progress,
 video {
-    display: inline-block;
+    display: inline-block; /* 1 */
+    vertical-align: baseline; /* 2 */
 }
 
-/*
- * Prevents modern browsers from displaying `audio` without controls.
+/**
+ * Prevent modern browsers from displaying `audio` without controls.
  * Remove excess height in iOS 5 devices.
  */
 
@@ -42,52 +69,29 @@ audio:not([controls]) {
     height: 0;
 }
 
-/*
- * Addresses styling for `hidden` attribute not present in IE 8/9.
+/**
+ * Address `[hidden]` styling not present in IE 8/9/10.
+ * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
  */
 
-[hidden] {
+[hidden],
+template {
     display: none;
 }
 
-/* ==========================================================================
-   Base
+/* Links
    ========================================================================== */
 
-/*
- * 1. Sets default font family to sans-serif.
- * 2. Prevents iOS text size adjust after orientation change, without disabling
- *    user zoom.
+/**
+ * Remove the gray background color from active links in IE 10.
  */
 
-html {
-    font-family: sans-serif; /* 1 */
-    -webkit-text-size-adjust: 100%; /* 2 */
-    -ms-text-size-adjust: 100%; /* 2 */
+a {
+    background-color: transparent;
 }
 
-/*
- * Removes default margin.
- */
-
-body {
-    margin: 0;
-}
-
-/* ==========================================================================
-   Links
-   ========================================================================== */
-
-/*
- * Addresses `outline` inconsistency between Chrome and other browsers.
- */
-
-a:focus {
-    outline: thin dotted;
-}
-
-/*
- * Improves readability when focused and also mouse hovered in all browsers.
+/**
+ * Improve readability when focused and also mouse hovered in all browsers.
  */
 
 a:active,
@@ -95,29 +99,19 @@ a:hover {
     outline: 0;
 }
 
-/* ==========================================================================
-   Typography
+/* Text-level semantics
    ========================================================================== */
 
-/*
- * Addresses `h1` font sizes within `section` and `article` in Firefox 4+,
- * Safari 5, and Chrome.
- */
-
-h1 {
-    font-size: 2em;
-}
-
-/*
- * Addresses styling not present in IE 8/9, Safari 5, and Chrome.
+/**
+ * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
  */
 
 abbr[title] {
     border-bottom: 1px dotted;
 }
 
-/*
- * Addresses style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
+/**
+ * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
  */
 
 b,
@@ -125,16 +119,26 @@ strong {
     font-weight: bold;
 }
 
-/*
- * Addresses styling not present in Safari 5 and Chrome.
+/**
+ * Address styling not present in Safari and Chrome.
  */
 
 dfn {
     font-style: italic;
 }
 
-/*
- * Addresses styling not present in IE 8/9.
+/**
+ * Address variable `h1` font-size and margin within `section` and `article`
+ * contexts in Firefox 4+, Safari, and Chrome.
+ */
+
+h1 {
+    font-size: 2em;
+    margin: 0.67em 0;
+}
+
+/**
+ * Address styling not present in IE 8/9.
  */
 
 mark {
@@ -142,47 +146,16 @@ mark {
     color: #000;
 }
 
-
-/*
- * Corrects font family set oddly in Safari 5 and Chrome.
- */
-
-code,
-kbd,
-pre,
-samp {
-    font-family: monospace, serif;
-    font-size: 1em;
-}
-
-/*
- * Improves readability of pre-formatted text in all browsers.
- */
-
-pre {
-    white-space: pre;
-    white-space: pre-wrap;
-    word-wrap: break-word;
-}
-
-/*
- * Sets consistent quote types.
- */
-
-q {
-    quotes: "\201C" "\201D" "\2018" "\2019";
-}
-
-/*
- * Addresses inconsistent and variable font size in all browsers.
+/**
+ * Address inconsistent and variable font size in all browsers.
  */
 
 small {
     font-size: 80%;
 }
 
-/*
- * Prevents `sub` and `sup` affecting `line-height` in all browsers.
+/**
+ * Prevent `sub` and `sup` affecting `line-height` in all browsers.
  */
 
 sub,
@@ -201,92 +174,116 @@ sub {
     bottom: -0.25em;
 }
 
-/* ==========================================================================
-   Embedded content
+/* Embedded content
    ========================================================================== */
 
-/*
- * Removes border when inside `a` element in IE 8/9.
+/**
+ * Remove border when inside `a` element in IE 8/9/10.
  */
 
 img {
     border: 0;
 }
 
-/*
- * Corrects overflow displayed oddly in IE 9.
+/**
+ * Correct overflow not hidden in IE 9/10/11.
  */
 
 svg:not(:root) {
     overflow: hidden;
 }
 
-/* ==========================================================================
-   Figures
+/* Grouping content
    ========================================================================== */
 
-/*
- * Addresses margin not present in IE 8/9 and Safari 5.
+/**
+ * Address margin not present in IE 8/9 and Safari.
  */
 
 figure {
-    margin: 0;
+    margin: 1em 40px;
 }
 
-/* ==========================================================================
-   Forms
+/**
+ * Address differences between Firefox and other browsers.
+ */
+
+hr {
+    -moz-box-sizing: content-box;
+    box-sizing: content-box;
+    height: 0;
+}
+
+/**
+ * Contain overflow in all browsers.
+ */
+
+pre {
+    overflow: auto;
+}
+
+/**
+ * Address odd `em`-unit font size rendering in all browsers.
+ */
+
+code,
+kbd,
+pre,
+samp {
+    font-family: monospace, monospace;
+    font-size: 1em;
+}
+
+/* Forms
    ========================================================================== */
 
-/*
- * Define consistent border, margin, and padding.
+/**
+ * Known limitation: by default, Chrome and Safari on OS X allow very limited
+ * styling of `select`, unless a `border` property is set.
  */
 
-fieldset {
-    border: 1px solid #c0c0c0;
-    margin: 0 2px;
-    padding: 0.35em 0.625em 0.75em;
-}
-
-/*
- * 1. Corrects color not being inherited in IE 8/9.
- * 2. Remove padding so people aren't caught out if they zero out fieldsets.
- */
-
-legend {
-    border: 0; /* 1 */
-    padding: 0; /* 2 */
-}
-
-/*
- * 1. Corrects font family not being inherited in all browsers.
- * 2. Corrects font size not being inherited in all browsers.
- * 3. Addresses margins set differently in Firefox 4+, Safari 5, and Chrome
+/**
+ * 1. Correct color not being inherited.
+ *    Known issue: affects color of disabled elements.
+ * 2. Correct font properties not being inherited.
+ * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
  */
 
 button,
 input,
+optgroup,
 select,
 textarea {
-    font-family: inherit; /* 1 */
-    font-size: 100%; /* 2 */
+    color: inherit; /* 1 */
+    font: inherit; /* 2 */
     margin: 0; /* 3 */
 }
 
-/*
- * Addresses Firefox 4+ setting `line-height` on `input` using `!important` in
- * the UA stylesheet.
+/**
+ * Address `overflow` set to `hidden` in IE 8/9/10/11.
+ */
+
+button {
+    overflow: visible;
+}
+
+/**
+ * Address inconsistent `text-transform` inheritance for `button` and `select`.
+ * All other form control elements do not inherit `text-transform` values.
+ * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
+ * Correct `select` style inheritance in Firefox.
  */
 
 button,
-input {
-    line-height: normal;
+select {
+    text-transform: none;
 }
 
-/*
+/**
  * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
  *    and `video` controls.
- * 2. Corrects inability to style clickable `input` types in iOS.
- * 3. Improves usability and consistency of cursor style between image-type
+ * 2. Correct inability to style clickable `input` types in iOS.
+ * 3. Improve usability and consistency of cursor style between image-type
  *    `input` and others.
  */
 
@@ -298,18 +295,40 @@ input[type="submit"] {
     cursor: pointer; /* 3 */
 }
 
-/*
+/**
  * Re-set default cursor for disabled elements.
  */
 
 button[disabled],
-input[disabled] {
+html input[disabled] {
     cursor: default;
 }
 
-/*
- * 1. Addresses box sizing set to `content-box` in IE 8/9.
- * 2. Removes excess padding in IE 8/9.
+/**
+ * Remove inner padding and border in Firefox 4+.
+ */
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+    border: 0;
+    padding: 0;
+}
+
+/**
+ * Address Firefox 4+ setting `line-height` on `input` using `!important` in
+ * the UA stylesheet.
+ */
+
+input {
+    line-height: normal;
+}
+
+/**
+ * It's recommended that you don't attempt to style these elements.
+ * Firefox's implementation doesn't respect box-sizing, padding, or width.
+ *
+ * 1. Address box sizing set to `content-box` in IE 8/9/10.
+ * 2. Remove excess padding in IE 8/9/10.
  */
 
 input[type="checkbox"],
@@ -318,9 +337,20 @@ input[type="radio"] {
     padding: 0; /* 2 */
 }
 
-/*
- * 1. Addresses `appearance` set to `searchfield` in Safari 5 and Chrome.
- * 2. Addresses `box-sizing` set to `border-box` in Safari 5 and Chrome
+/**
+ * Fix the cursor style for Chrome's increment/decrement buttons. For certain
+ * `font-size` values of the `input`, it causes the cursor style of the
+ * decrement button to change from `default` to `text`.
+ */
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+    height: auto;
+}
+
+/**
+ * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
+ * 2. Address `box-sizing` set to `border-box` in Safari and Chrome
  *    (include `-moz` to future-proof).
  */
 
@@ -331,9 +361,10 @@ input[type="search"] {
     box-sizing: content-box;
 }
 
-/*
- * Removes inner padding and search cancel button in Safari 5 and Chrome
- * on OS X.
+/**
+ * Remove inner padding and search cancel button in Safari and Chrome on OS X.
+ * Safari (but not Chrome) clips the cancel button when the search input has
+ * padding (and `textfield` appearance).
  */
 
 input[type="search"]::-webkit-search-cancel-button,
@@ -341,35 +372,56 @@ input[type="search"]::-webkit-search-decoration {
     -webkit-appearance: none;
 }
 
-/*
- * Removes inner padding and border in Firefox 4+.
+/**
+ * Define consistent border, margin, and padding.
  */
 
-button::-moz-focus-inner,
-input::-moz-focus-inner {
-    border: 0;
-    padding: 0;
+fieldset {
+    border: 1px solid #c0c0c0;
+    margin: 0 2px;
+    padding: 0.35em 0.625em 0.75em;
 }
 
-/*
- * 1. Removes default vertical scrollbar in IE 8/9.
- * 2. Improves readability and alignment in all browsers.
+/**
+ * 1. Correct `color` not being inherited in IE 8/9/10/11.
+ * 2. Remove padding so people aren't caught out if they zero out fieldsets.
+ */
+
+legend {
+    border: 0; /* 1 */
+    padding: 0; /* 2 */
+}
+
+/**
+ * Remove default vertical scrollbar in IE 8/9/10/11.
  */
 
 textarea {
-    overflow: auto; /* 1 */
-    vertical-align: top; /* 2 */
+    overflow: auto;
 }
 
-/* ==========================================================================
-   Tables
+/**
+ * Don't inherit the `font-weight` (applied by a rule above).
+ * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
+ */
+
+optgroup {
+    font-weight: bold;
+}
+
+/* Tables
    ========================================================================== */
 
-/*
+/**
  * Remove most spacing between table cells.
  */
 
 table {
     border-collapse: collapse;
     border-spacing: 0;
-}
\ No newline at end of file
+}
+
+td,
+th {
+    padding: 0;
+}