See changelog (fixes #265, #253, #257)

demo/src/less/components/base.less

@@ -0,0 +1,47 @@
+// ==========================================================================
+// Base layout
+// ==========================================================================
+
+// BORDER-BOX ALL THE THINGS! 
+// http://paulirish.com/2012/box-sizing-border-box-ftw/
+*, *::after, *::before {  
+    box-sizing: border-box; 
+}
+
+// Hidden
+[hidden] {
+    display: none;
+}
+
+// Base
+html {
+    height: 100%;
+    background: @body-background fixed;
+}
+body {
+    margin: 0;
+    padding: (@padding-base / 2);
+}
+
+// Header
+header {
+    padding: @padding-base;
+    margin-bottom: @padding-base;
+
+    p {
+        .font-size(18);
+    }
+    @media (min-width: @screen-sm) {
+        padding-top: (@padding-base * 3);
+        padding-bottom: (@padding-base * 3);
+    }
+}
+
+// Sections
+section {
+    padding-bottom: @padding-base;
+
+    @media (min-width: @screen-sm) {
+        padding-bottom: (@padding-base * 2);
+    }
+}