function showStyle() {
	var elem = document.getElementById("content");
	var computedStyle = window.getComputedStyle(elem, "");
	var content = computedStyle.getPropertyValue("counter-reset");
	var p = document.createElement("p");
	p.innerHTML = content;
	p.style.backgroundColor = "#0c0";
	p.style.color = "#fff";
	p.style.padding = "1em";
	p.style.font = "bold 1em sans-serif";
	elem.appendChild(p);
}