@mixin gradient-mixin ($startColor, $endColor) {
    background-color: $startColor;
	background: -webkit-gradient(linear, left top, left bottom, from($startColor), to($endColor));
	background: -webkit-linear-gradient(top, $startColor, $endColor);
	background: -moz-linear-gradient(top, $startColor, $endColor);
	background: -ms-linear-gradient(top, $startColor, $endColor);
	background: -o-linear-gradient(top, $startColor, $endColor);
}