sass mixins to apply shadow and rounding to boxes

shadow_rounding_mixin.sass

@mixin shadow($a, $b, $color)
  -webkit-box-shadow: $a $a $b $color
  -moz-box-shadow: $a $a $b $color
  box-shadow: $a $a $b $color

@mixin rounding($rad)
  -moz-border-radius: $rad /* FF1+ */
  -webkit-border-radius: $rad /* Saf3-4, iOS 1+, Android 1.5+ */
  border-radius: $rad

.box
  @include shadow(2px, 5px, rgba(0,0,0,0.07))
  @include rounding(3px)