@mixin text-drop-shadow($rgb_value, $opacity, $offsetX, $offsetY, $blur)
	text-shadow: $offsetX $offsetY $blur rgba($rgb_value, $opacity)
  
@mixin object-transitions($rate)
	-moz-transition: all $rate linear
	-webkit-transition: all $rate linear
	-o-transition: all $rate linear
	transition: all $rate linear
	

@mixin background-opacity($rgb_value, $opacity)
	background: rgba($rgb_value, $opacity)

@mixin custom-header($weight, $size, $line_height, $color)
	font: $weight $size/$line_height $bodyTypeSans
	color: $color