.alert-variant(@state) {
	@background: mix(@white, @state, @theme-color-interval * @alert-bg-level);
	@border: mix(@white, @state, @theme-color-interval * @alert-border-level);
	@color: mix(@black, @state, @theme-color-interval * @alert-color-level);

	color: @color;
	background: @background;
	border-color: @border;

	hr {
		border-top-color: darken(@border, 5%);
	}

	.alert-link {
		color: darken(@color, 10%);
	}
}