* {
	margin: 0;
	padding: 0;
}



.header1bt {
	width: 1200px;
	margin: 40px auto;
}

.dh {
	width: 1200px;
	height: 55px;
	margin: 90px auto 0;
	background: rgb(13,109,195);
}

.dht {
	width: 800px;
	height: 55px;
	float: left;
	font-size: 20px;
	font-weight: bold;
}

.search {
	width: 325px;
	height: 55px;
	float: right;
	margin-top: 5px;
}