Separate out HTML5 Boilerplate styles and reformat CSS a little.

source/assets/css/_print.scss

@@ -1,57 +0,0 @@
-@media print {
-  * {
-    background: transparent !important;
-    box-shadow: none !important;
-    color: black !important;
-    text-shadow: none !important;
-  }
-
-  a {
-    &,
-    &:visited {
-      text-decoration: underline;
-    }
-
-    &[href]:after {
-      content: " (" attr(href) ")";
-    }
-
-    .ir &,
-    &[href^="javascript:"],
-    &[href^="#"] {
-      &:after {
-        content: "";
-      }
-    }
-  }
-
-  pre {
-    border: 1px solid #999999;
-    page-break-inside: avoid;
-  }
-
-  tr,
-  img {
-    page-break-inside: avoid;
-  }
-
-  img {
-    max-width: 100% !important;
-  }
-
-  @page {
-    margin: 0.5cm;
-  }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3;
-  }
-
-  h2,
-  h3 {
-    page-break-after: avoid;
-  }
-}

source/assets/css/foundation/_forms.scss

@@ -1,11 +1,8 @@
-form,
-fieldset {
+form {
   @extend %reset-margin;
   @extend %reset-padding;
 }
 
-fieldset { @extend %reset-border; }
-
 label {
   @extend %bold-elements;
   @include padding-leader;

source/assets/css/foundation/_media.scss

@@ -2,19 +2,13 @@ img {
   display: inline-block;
   max-width: 100%;
   height: auto;
-  vertical-align: middle;
 }
 
 hr {
   $new-spacing: ($base-line-height - 1) / $base-line-height;
   @include leader($new-spacing);
   @include trailer($new-spacing);
-  display: block;
-  padding: 0;
-  height: 1px;
-  border: 0 {
-    top: 1px solid $color-border;
-  }
+  border-top-color: $color-border;
 }
 
 figure {

source/assets/css/foundation/_site.scss

@@ -27,14 +27,10 @@ html {
 
 body { background: none; }
 
-@mixin theme-selection {
-  background: $color-background-shade;
-  text-shadow: none;
-}
+@mixin theme-selection { background: $color-background-shade; }
 
-// These have to be separate.
 ::-moz-selection { @include theme-selection; }
-::selection { @include theme-selection; }
+::selection      { @include theme-selection; }
 
 
 

source/assets/css/sass.css.scss

@@ -2,75 +2,116 @@
  *  by Team Sass Design (@teamsassdesign)
  */
 
-@import "compass";
-@import "compass/layout";
-@import "susy";
-@import "breakpoint";
-@import "normalize-rails";
+
+
+// ---------------------------------------------------------------------------
+// VENDOR LIBRARIES
+
+@import
+  "compass"
+, "compass/layout"
+, "susy"
+, "breakpoint"
+;
 
 
 
-@import "dependencies/layout";
-@import "dependencies/typography";
-@import "dependencies/color";
-@import "dependencies/animations";
+// ---------------------------------------------------------------------------
+// DEPENDENCIES
+
+@import
+  "dependencies/layout"
+, "dependencies/typography"
+, "dependencies/color"
+, "dependencies/animations"
+;
 
 
 
-@import "foundation/site";
-@import "foundation/block";
-@import "foundation/inline";
-@import "foundation/headings";
-@import "foundation/lists";
-@import "foundation/tables";
-@import "foundation/forms";
-@import "foundation/code";
-@import "foundation/media";
+// ---------------------------------------------------------------------------
+// FOUNDATION
+
+@import
+  "normalize-rails"
+, "vendor/html5boilerplate/base"
+, "foundation/site"
+, "foundation/block"
+, "foundation/inline"
+, "foundation/headings"
+, "foundation/lists"
+, "foundation/tables"
+, "foundation/forms"
+, "foundation/code"
+, "foundation/media"
+;
 
 
 
-@import "vendor/jquery-ui-1.10.4.custom";
-@import "components/pop-stripe";
-@import "components/type";
-@import "components/page-header";
-@import "components/lists";
-@import "components/tables";
-@import "components/forms";
-@import "components/buttons";
-@import "components/code";
-@import "components/alerts";
-@import "components/progress";
-@import "components/articles";
-@import "components/hero-image";
-@import "components/header-image";
-@import "components/get-started";
-@import "components/slides";
-@import "components/icons";
-@import "components/logos";
-@import "components/sass-syntax-switcher";
+// ---------------------------------------------------------------------------
+// COMPONENTS
+
+@import
+  "vendor/html5boilerplate/browsehappy"
+, "vendor/jquery-ui-1.10.4.custom"
+, "components/pop-stripe"
+, "components/type"
+, "components/page-header"
+, "components/lists"
+, "components/tables"
+, "components/forms"
+, "components/buttons"
+, "components/code"
+, "components/alerts"
+, "components/progress"
+, "components/articles"
+, "components/hero-image"
+, "components/header-image"
+, "components/get-started"
+, "components/slides"
+, "components/icons"
+, "components/logos"
+, "components/sass-syntax-switcher"
+;
 
 
 
-@import "regions/page";
-@import "regions/banner";
-@import "regions/navigation";
-@import "regions/content";
-@import "regions/content-primary";
-@import "regions/content-secondary";
-@import "regions/main";
-@import "regions/complementary";
-@import "regions/section-bottom";
-@import "regions/contentinfo";
+// ---------------------------------------------------------------------------
+// REGIONS
+
+@import
+  "regions/page"
+, "regions/banner"
+, "regions/navigation"
+, "regions/content"
+, "regions/content-primary"
+, "regions/content-secondary"
+, "regions/main"
+, "regions/complementary"
+, "regions/section-bottom"
+, "regions/contentinfo"
+;
 
 
 
-@import "helpers/grid";
-@import "helpers/helpers";
+// ---------------------------------------------------------------------------
+// HELPERS
+
+@import
+  "vendor/html5boilerplate/helpers"
+, "helpers/grid"
+, "helpers/helpers"
+;
 
 
 
+// ---------------------------------------------------------------------------
+// PAGES
+
 @import "styleguide/guide";
 
 
 
-@import "print";
+// ---------------------------------------------------------------------------
+// RESPONSIVE
+
+@import "vendor/html5boilerplate/print";

source/assets/css/vendor/html5boilerplate/_base.scss

@@ -0,0 +1,77 @@
+/*! HTML5 Boilerplate v4.3.0 | MIT License | http://h5bp.com/ */
+
+/*
+ * What follows is the result of much research on cross-browser styling.
+ * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
+ * Kroc Camen, and the H5BP dev community and team.
+ */
+
+/* ==========================================================================
+   Base styles: opinionated defaults
+   ========================================================================== */
+
+html {
+    color: #222;
+    font-size: 1em;
+    line-height: 1.4;
+}
+
+/*
+ * Remove text-shadow in selection highlight: h5bp.com/i
+ * These selection rule sets have to be separate.
+ * Customize the background color to match your design.
+ */
+
+::-moz-selection {
+    background: #b3d4fc;
+    text-shadow: none;
+}
+
+::selection {
+    background: #b3d4fc;
+    text-shadow: none;
+}
+
+/*
+ * A better looking default horizontal rule
+ */
+
+hr {
+    display: block;
+    height: 1px;
+    border: 0;
+    border-top: 1px solid #ccc;
+    margin: 1em 0;
+    padding: 0;
+}
+
+/*
+ * Remove the gap between images, videos, audio and canvas and the bottom of
+ * their containers: h5bp.com/i/440
+ */
+
+audio,
+canvas,
+img,
+svg,
+video {
+    vertical-align: middle;
+}
+
+/*
+ * Remove default fieldset styles.
+ */
+
+fieldset {
+    border: 0;
+    margin: 0;
+    padding: 0;
+}
+
+/*
+ * Allow only vertical resizing of textareas.
+ */
+
+textarea {
+    resize: vertical;
+}

source/assets/css/vendor/html5boilerplate/_browsehappy.scss

@@ -0,0 +1,10 @@
+/* ==========================================================================
+   Browse Happy prompt
+   ========================================================================== */
+
+.browsehappy {
+    margin: 0.2em 0;
+    background: #ccc;
+    color: #000;
+    padding: 0.2em 0;
+}

source/assets/css/vendor/html5boilerplate/_helpers.scss

@@ -0,0 +1,72 @@
+/* ==========================================================================
+   Helper classes
+   ========================================================================== */
+
+/*
+ * Hide visually and from screen readers: h5bp.com/u
+ */
+
+.hidden {
+    display: none !important;
+    visibility: hidden;
+}
+
+/*
+ * Hide only visually, but have it available for screen readers: h5bp.com/v
+ */
+
+.visuallyhidden {
+    border: 0;
+    clip: rect(0 0 0 0);
+    height: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+    width: 1px;
+}
+
+/*
+ * Extends the .visuallyhidden class to allow the element to be focusable
+ * when navigated to via the keyboard: h5bp.com/p
+ */
+
+.visuallyhidden.focusable:active,
+.visuallyhidden.focusable:focus {
+    clip: auto;
+    height: auto;
+    margin: 0;
+    overflow: visible;
+    position: static;
+    width: auto;
+}
+
+/*
+ * Hide visually and from screen readers, but maintain layout
+ */
+
+.invisible {
+    visibility: hidden;
+}
+
+/*
+ * Clearfix: contain floats
+ *
+ * For modern browsers
+ * 1. The space content is one way to avoid an Opera bug when the
+ *    `contenteditable` attribute is included anywhere else in the document.
+ *    Otherwise it causes space to appear at the top and bottom of elements
+ *    that receive the `clearfix` class.
+ * 2. The use of `table` rather than `block` is only necessary if using
+ *    `:before` to contain the top-margins of child elements.
+ */
+
+.clearfix:before,
+.clearfix:after {
+    content: " "; /* 1 */
+    display: table; /* 2 */
+}
+
+.clearfix:after {
+    clear: both;
+}

source/assets/css/vendor/html5boilerplate/_print.scss

@@ -0,0 +1,67 @@
+/* ==========================================================================
+   Print styles.
+   Inlined to avoid the additional HTTP request: h5bp.com/r
+   ========================================================================== */
+
+@media print {
+    * {
+        background: transparent !important;
+        color: #000 !important; /* Black prints faster: h5bp.com/s */
+        box-shadow: none !important;
+        text-shadow: none !important;
+    }
+
+    a,
+    a:visited {
+        text-decoration: underline;
+    }
+
+    a[href]:after {
+        content: " (" attr(href) ")";
+    }
+
+    abbr[title]:after {
+        content: " (" attr(title) ")";
+    }
+
+    /*
+     * Don't show links that are fragment identifiers,
+     * or use the `javascript:` pseudo protocol
+     */
+
+    a[href^="#"]:after,
+    a[href^="javascript:"]:after {
+        content: "";
+    }
+
+    pre,
+    blockquote {
+        border: 1px solid #999;
+        page-break-inside: avoid;
+    }
+
+    thead {
+        display: table-header-group; /* h5bp.com/t */
+    }
+
+    tr,
+    img {
+        page-break-inside: avoid;
+    }
+
+    img {
+        max-width: 100% !important;
+    }
+
+    p,
+    h2,
+    h3 {
+        orphans: 3;
+        widows: 3;
+    }
+
+    h2,
+    h3 {
+        page-break-after: avoid;
+    }
+}

source/assets/css/vendor/html5boilerplate/_responsive.scss

@@ -0,0 +1,16 @@
+/* ==========================================================================
+   EXAMPLE Media Queries for Responsive Design.
+   These examples override the primary ('mobile first') styles.
+   Modify as content requires.
+   ========================================================================== */
+
+@media only screen and (min-width: 35em) {
+    /* Style adjustments for viewports that meet the condition */
+}
+
+@media print,
+       (-o-min-device-pixel-ratio: 5/4),
+       (-webkit-min-device-pixel-ratio: 1.25),
+       (min-resolution: 120dpi) {
+    /* Style adjustments for high resolution devices */
+}