p {
	width: 300px;
	height:300px;
	border:1px solid red;
	background-image: url(/prx/000/http/www.openspc2.org/reibun/CSS3/background/0101/sample/0001/css/sunflower.jpg);
}
#no1 {
	background-size : 100px 50px;
}
#no2 {
	background-size : contain;
}
#no3 {
	background-size : cover;
}