body{
		width:640px;
		
		
		margin:0px;padding:0px;
		background:red;
		background-color: #eee; color: #333; font-family: "Helvetica Neue", "Microsoft Yahei", Tahoma, Arial, Roboto, "Droid Sans", "Droid Sans Fallback", "Heiti SC", sans-self;
		
	}
	
	.showbg{
		width:640px;
		height:auto;
		
		
		background:white;
		left:0px;
		top:0px;
		display:none;
	}

	img{
		width:100%;display:block;
	}
	a{
		display:block;
	}

	.btn1{
		width:220px;height:60px;
		background:none;
		position:absolute;
		left:210px;top:1150px;
	}
	.btn2{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:1365px;
	}
	.btn3{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:1565px;
	}
	
	.btn4{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:2160px;
	}
	.btn5{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:2370px;
	}
	.btn6{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:2960px;
	}
	.btn7{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:3170px;
	}
	.btn8{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:3380px;
	}
	.btn9{
		width:140px;height:60px;
		background:none;
		position:absolute;
		left:390px;top:3580px;
	}