$screen-xs-min: 600px !default;
$screen-sm-min: 960px !default;
$screen-md-min: 1280px !default;
$screen-lg-min: 1920px !default;

@mixin media-query($target-width) {
	@media all and (min-width: $target-width) {
		@content;
	}
}

@mixin gt-xs() {
	@include media-query($screen-xs-min) { @content; }
}

@mixin gt-sm() {
	@include media-query($screen-sm-min) { @content; }
}

@mixin gt-md() {
	@include media-query($screen-md-min) { @content; }
}

@mixin gt-lg() {
	@include media-query($screen-lg-min) { @content; }
}