<style>
        *{
            margin: 0;
            padding: 0;
        }
        header{background-image:url("//www.zhuoku.com/zhuomianbizhi/computer-kuan/20140107052306(77).htm#turn");}
        #top{
            width: 100%;
            height: 160px;
            background-image:url("https://www.zhuoku.com/zhuomianbizhi/computer-kuan/20140107052306(77).htm#turn");
        }
        #nav{
            width: 1105px;
            height: 100px;
            background: rgba(2, 145, 210, 0.69);
            margin: 50px auto;
            border-radius: 5px 5px 5px 5px;
            position: relative;
        }
        #DrawImage{
            width: 80px;
            height: 80px;
            position: absolute;
            left: 30px;
            top: 10px;
            float: left;
        }
        #zym{
            width: 1105px;
            height: 40px;
            line-height: 40px;
            font-size: 16px;
            /*font-weight: bold;*/
            color: #292305;
            position: absolute;
            top: 10px;
            left:135px;
        }

        #menu1{
            margin-left: 135px;
        }
       
        ul{
            width: 105px;
            height: 40px;
            list-style-type: none;
            float: left;
            margin-left: 15px;
            margin-top: 50px;
            line-height: 40px;
            text-align: center;
            background: #76dbf9;
            border-radius: 5px 5px 5px 5px;
        }
        ul a {
            text-decoration: none;
            color:#000;
            font-size: 18px;
        }
        .menus li{
            width: 105px;
            height: 40px;
            background: #76dbf9;
            line-height: 40px;
            text-align: center;
            margin-right: 10px;
            margin-top: 2px;
            display: none;
            color: #000;
        }
    </style>