// modified linear-gradient mixin (supports ie gradient)
@mixin simple-linear-gradient($start-color, $end-color, $start: top)
	$start: unquote($start)
	$end: opposite-position($start)
	$color-stops: color-stops($start-color, $end-color)

	@if $experimental-support-for-webkit
		background-image: -webkit-gradient(linear, grad-point($start), grad-point($end), grad-color-stops($color-stops))

	@if $experimental-support-for-mozilla
		background-image: -moz-linear-gradient($start, $color-stops)

	background-image: linear-gradient($start, $color-stops)

	@if $experimental-support-for-microsoft
		$gradient-type: 0
		@if $start == left
			$gradient-type: 1

		$value: unquote("progid:DXImageTransform.Microsoft.Gradient(enabled=true, startColorstr=#{ie-rgba($start-color)}, endColorstr=#{ie-rgba($end-color)}, gradientType=#{$gradient-type})")
		@include experimental(filter, $value, not -moz, not -webkit, not -o, -ms, not -khtml, official)