div,
img {
	margin: 0;
	padding: 0;
}

#div1 img {
	float: left;
	height: 200px;
	width: 300px;
	margin-left: 10px;
}

#div1 {
	padding: 5px;
	border: 2px solid #ddd;
	position: relative;	
	bottom: 0;
	height: 200px;
	overflow: hidden;
}

#div2,
#div3 {
	float: left;
}

#div4 {
	width: 500%;
	/*这个属性很重要 让容器有足够的宽度实现滚动*/
	float: left;
}