--- a/static/bootstrap/less/scaffolding.less	Wed Dec 11 21:51:51 2013 -0800
+++ b/static/bootstrap/less/scaffolding.less	Thu Dec 12 21:54:04 2013 -0800
@@ -3,51 +3,117 @@
 // --------------------------------------------------
 
 
+// Reset the box-sizing
+
+*,
+*:before,
+*:after {
+  .box-sizing(border-box);
+}
+
+
 // Body reset
-// -------------------------
+
+html {
+  font-size: 62.5%;
+  -webkit-tap-highlight-color: rgba(0,0,0,0);
+}
 
 body {
-  margin: 0;
-  font-family: @baseFontFamily;
-  font-size: @baseFontSize;
-  line-height: @baseLineHeight;
-  color: @textColor;
-  background-color: @bodyBackground;
+  font-family: @font-family-base;
+  font-size: @font-size-base;
+  line-height: @line-height-base;
+  color: @text-color;
+  background-color: @body-bg;
+}
+
+// Reset fonts for relevant elements
+input,
+button,
+select,
+textarea {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
 }
 
 
 // Links
-// -------------------------
 
 a {
-  color: @linkColor;
+  color: @link-color;
   text-decoration: none;
-}
-a:hover,
-a:focus {
-  color: @linkColorHover;
-  text-decoration: underline;
+
+  &:hover,
+  &:focus {
+    color: @link-hover-color;
+    text-decoration: underline;
+  }
+
+  &:focus {
+    .tab-focus();
+  }
 }
 
 
 // Images
-// -------------------------
+
+img {
+  vertical-align: middle;
+}
+
+// Responsive images (ensure images don't scale beyond their parents)
+.img-responsive {
+  .img-responsive();
+}
 
 // Rounded corners
 .img-rounded {
-  .border-radius(6px);
+  border-radius: @border-radius-large;
 }
 
-// Add polaroid-esque trim
-.img-polaroid {
-  padding: 4px;
-  background-color: #fff;
-  border: 1px solid #ccc;
-  border: 1px solid rgba(0,0,0,.2);
-  .box-shadow(0 1px 3px rgba(0,0,0,.1));
+// Image thumbnails
+//
+// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
+.img-thumbnail {
+  padding: @thumbnail-padding;
+  line-height: @line-height-base;
+  background-color: @thumbnail-bg;
+  border: 1px solid @thumbnail-border;
+  border-radius: @thumbnail-border-radius;
+  .transition(all .2s ease-in-out);
+
+  // Keep them at most 100% wide
+  .img-responsive(inline-block);
 }
 
 // Perfect circle
 .img-circle {
-  .border-radius(500px); // crank the border-radius so it works with most reasonably sized images
+  border-radius: 50%; // set radius in percents
+}
+
+
+// Horizontal rules
+
+hr {
+  margin-top:    @line-height-computed;
+  margin-bottom: @line-height-computed;
+  border: 0;
+  border-top: 1px solid @hr-border;
 }
+
+
+// Only display content to screen readers
+//
+// See: http://a11yproject.com/posts/how-to-hide-content/
+
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  margin: -1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0,0,0,0);
+  border: 0;
+}