header {
	width: 80%;
	height: 60px;
}
#article,
#soft,
#main {
	width: 768px;
	padding: 50px 0;
}
#main ul li {
	width: 620px;
	height: 180px;
	margin: 10px auto;
	padding: 20px 30px;
}
#article ul li,
#soft ul li {
	width: 700px;
	margin: 10px 30px 10px -10px;
	padding: 5px 0;
}
#screenshot img {
	width: 700px;
}
.item {
	width: 680px;
	padding: 5px 10px;
}