body{
	margin:0px;
	padding:0px;	
}

#solid{
	width:100%;
	height:400px;
	clear:both;/*
	margin-top:50px;*/
	position:relative;
}
#solid .solid0,#solid .solid1,#solid .solid2,#solid .solid3{
	position:absolute;
	left:0px;
	top:0px;
	width:100%;
	height:400px;
	display:none;
}
#solid .solid0{
	background:#566d8a;
}
#solid .solid1{
	background:#6385b1;
}
#solid .solid2{
	background:#D6D6D6;
}
#solid .solid3{
	background:#110d05;
}
#solid .solid4{
	background:#000000;
}
#solid ul{
	margin:0px;
	padding:0px;
	list-style:none;	
}
#solid ul li{
	position:absolute;
	left:50%;
	top:0px;
	width:1000px;
	height:400px;
	margin-left:-540px;
	display:none;
	cursor:pointer;
}
#solid #btt{ 
	width:600px;
	height:55px;
	top:365px;
	left:42%;
	position:relative;
}
#solid #btt span{ 
	position:absolute;
	top:15px;
	left:45%;
	display:block;
	width:30px;
	height:8px;
	margin:0 15px;
	text-align:center;
	background:#3d3d3d;
	z-index:98;
	cursor:pointer;
	filter:alpha(opacity=70); /*IE滤镜，透明度50%*/
	-moz-opacity:0.7; /*Firefox私有，透明度50%*/
	opacity:0.7;/*其他，透明度50%*
}