First pass at cleaning out the CSS cruft

- Dump unused styles
- Use breakpoint mixin for media queries

_assets/css/vendor/breakpoint/parsers/_double.scss

@@ -0,0 +1,33 @@
+//////////////////////////////
+// Import Pieces
+//////////////////////////////
+@import "double/default-pair";
+@import "double/double-string";
+@import "double/default";
+
+@function breakpoint-parse-double($feature, $empty-media, $first) {
+  $parsed: '';
+  $leader: '';
+  // If we're forcing
+  @if not ($empty-media) or not ($first) {
+    $leader: 'and ';
+  }
+
+  $first: nth($feature, 1);
+  $second: nth($feature, 2);
+
+  // If we've got two numbers, we know we need to use the default pair because there are no media queries that has a media feature that is a number
+  @if type-of($first) == 'number' and type-of($second) == 'number' {
+    $parsed: breakpoint-parse-default-pair($first, $second);
+  }
+  // If they are both strings, we send it through the string parser
+  @else if type-of($first) == 'string' and type-of($second) == 'string' {
+    $parsed: breakpoint-parse-double-string($first, $second);
+  }
+  // If it's a string/number pair, we parse it as a normal double
+  @else {
+    $parsed: breakpoint-parse-double-default($first, $second);
+  }
+
+  @return $leader + $parsed;
+}