#html h3:before
{
	background-image: url("/images/basic/html.png");
}
#css h3:before
{
	background-image: url("/images/basic/css.png");
}
#dom h3:before
{
	background-image: url("/images/basic/dom.png");
}
#ecmascript h3:before
{
	background-image: url("/images/basic/ecmascript.png");
}
#summary h3:before
{
	background-image: url("/images/basic/summary.png");
}