chriseppstein/compass

// Box Sizing

@import "compass/support";

// The prefixed support threshold for box-sizing.
// Defaults to the $graceful-usage-threshold.
$box-sizing-support-threshold: $critical-usage-threshold !default;

// The default box-sizing model when no argument is provided to the box-sizing mixin: [ content-box | border-box | padding-box ]
//
// The browser default is content-box, compass defaults to border-box.
$default-box-sizing: border-box !default;


// Change the box model for Mozilla, Webkit, IE8 and the future
//
//     $box-model: [ content-box | border-box | padding-box ]
@mixin box-sizing($box-model: $default-box-sizing) {
  $box-model: unquote($box-model);
  @include prefixed-properties(css3-boxsizing, $box-sizing-support-threshold, (box-sizing: $box-model));
}