Adds box-sizing: border-box; as a wildcard to base.css. Removes box-s…

src/base/css/base.css

@@ -8,6 +8,24 @@
  * Extra rules that Pure adds on top of Normalize.css
  */
 
+/**
+     * Adds box-sizing: border-box; to html.
+     * Then applies inherit value to the universal selector,
+     * allowing for module-specific box-sizing overrides.
+ */
+html {
+    -webkit-box-sizing: border-box;
+    -moz-box-sizing: border-box;
+    box-sizing: border-box;
+}
+*,
+*:before,
+*:after {
+    -webkit-box-sizing: inherit;
+    -moz-box-sizing: inherit;
+    box-sizing: inherit;
+}
+
 /**
  * Always hide an element when it has the `hidden` HTML attribute.
  */

src/buttons/css/buttons-core.css

@@ -12,9 +12,6 @@
     -moz-user-select: none;
     -ms-user-select: none;
     user-select: none;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
-    box-sizing: border-box;
 }
 
 /* Firefox: Get rid of the inner focus border */

src/forms/css/forms.css

@@ -28,9 +28,6 @@ so we can ignore the csslint warning.
     box-shadow: inset 0 1px 3px #ddd;
     border-radius: 4px;
     vertical-align: middle;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
-    box-sizing: border-box;
 }
 
 /*
@@ -43,9 +40,6 @@ since IE8 won't execute CSS that contains a CSS3 selector.
     border: 1px solid #ccc;
     box-shadow: inset 0 1px 3px #ddd;
     border-radius: 4px;
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
-    box-sizing: border-box;
 }
 
 

src/menus/css/menus-core.css

@@ -1,10 +1,4 @@
 /*csslint adjoining-classes: false, box-model:false*/
-.pure-menu {
-    -webkit-box-sizing: border-box;
-    -moz-box-sizing: border-box;
-    box-sizing: border-box;
-}
-
 .pure-menu-fixed {
     position: fixed;
     left: 0;