html,body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
			background-color: linen;

        }
		#top{
			width: 100%;
			height: 7rem;
			background-color: darkslategray;
		}
		#top_content{
			width: 1200px;
			height: 7rem;
			margin: auto;
		}
		#logo{
			width: 300px;
			text-align: left;
			line-height:6.5rem ;
			font-size: 50px;
			color: azure;
			float: left;
		}
		#top_right{
			width: 800px;
			text-align: right;
			color: azure;
			float: right;
			margin: 5rem 0px 0px 0px;
		}
		#content{
			width: 1200px;
			height: 90rem;
/* 			border: 1px solid #D1D1D1; */
			margin: 10px auto;
		}
		#left{
			width: 200px;
			height: 80rem;
			/* border: #D1D1D1 1px solid; */
			margin: 10px 10px 0px 0px;
			float: left;
		}
		#gg{
			width: 800px;
			border: #D1D1D1 1px solid;
			margin: 50px auto;
			padding: 20px;
		}
		#right{
			width: 975px;
			height: 80rem;
			border: #D1D1D1 1px solid;
			margin: 10px 0px 0px 10px;
			float: right;
			background-color: azure;
		}
		#menu_l{
			width: 100%;
			background-color: #F0FFFF;
			border: #D1D1D1 1px solid;
			margin: auto auto 20px auto;
		}
		#menu_l_t{
			width: 100%;
			background-color: #D1D1D1;
			border: #D1D1D1 1px solid;
			height: 2.5rem;
			line-height: 2.5rem;
			text-align: center;
		}
		#menu_l_l{
			height: 35px;
			text-align: center;
			line-height: 35px;
			cursor: pointer;
		}
		#menu_l_l:hover{background:darkslategray;color: azure;}
		a{
			text-decoration:none;
		}
		#Customer_list{
			width: 95%;
			border-collapse:collapse;
			border-spacing:0;
			margin: 10px auto;
		}
		#tdl{
					text-align: right;
					height: 2.5rem;
					padding: 0px 10px;
		}
		#tdr{
					text-align: left;
					padding: 0px 10px;
		}
		#listpage{
			width:650px;
			height: 35px;
			margin: auto;
		}
		#listpage_l{
			width: 200px;
			height: 35px;
			text-align: center;
			float: left;
			line-height: 35px;
			margin-left: 20px;
		}
		#listpage_r{
			width: 400px;
			height: 35px;
			text-align: center;
			float: right;
			line-height: 35px;
			margin-right: 20px;
		}