.main{
	width:100%;
	height:auto;
	float:left;
	
}

.adimg{
	width:100%;
	height:100%;
	float:left;
	position:relative;
}

.adimgbg{
	width:100%;
	height:100%;
	float:left;
	display:block;
}

.building{
	width:100%;
	height:auto;
	float:left;
	background:#000;
}

.building img{
	width:100%;
	height:auto;
	float:left;
	display:block;
}



.company_ad{
	width:100%;
	height:auto;
	float:left;
}

.company_ad{
	width:100%;
	height:auto;
	float:left;
	background:#000;
	text-align:center;
	padding-top:50px;
	padding-bottom:50px;
}

.bottomcompany{
	width:100%;
	height:auto;
	float:left;
	margin-top:20px;
}