function drawPixel(width, height, color, container){

	var pixel = document.createElement("DIV");
	pixel.style.fontSize = "1px";
	pixel.style.width = width + "px";
	pixel.style.height = height + "px";
	pixel.style.backgroundColor = color;

	container.appendChild(pixel);
}

drawPixel("10", "10", "#098890", document.getElementsByTagName('body')[0]);