怎么让这个javajam cofee盒子往上面移动

html文件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaJam Coffee House</title>
    <link rel="stylesheet" href="01.css">
</head>
<body>
    <div id="wrapper">
        <h1 >JavaJam Coffee House</h1>
        <nav >
            <a href="index.html" target="_blank" id="a" >Home</a>   <br> <a href="Menu.html" target="_self">Menu</a> <br> <a href="Music.html" target="_blank">Music</a>  <br> <a href="#" target="_blank">Jobs</a>
        </nav>
        <main>
            <h2 align="left">Follow the Winding Roal to javajam</h2>
            <ul align="left" type="square">
                <li>Speciality Coffee and Tea</li>
                <li>Bagels,Muffins,and Organic Snacks</li>
                <li>Music and Poetry Readings</li>
                <li>Open Mic Night Every Friday Night</li>
            </ul>
            <ul align="left" type="none" class="news">
                <li>54321 Route 42<br/></li>
                <li>Ellison Bay,WI54210<br/></li>
                <li>1-888-555-5555<br/></li>
        </main>
            <footer>
                Copyright © 2016 JavaJam Coffee House
                <br>
                <a href="#" target="_blank" id="red">yourfirstname@yourfirstname.com<</a>
            </footer>
        </div>
</body>
</html>

css文件


#wrapper {background-color: #E2D2B0;
          text-align: center;
          margin: 10px 50px;
        height: 810px;
        margin-top: 10px;
        margin-top: 10px;
        }
    div{padding-top: 0px;}
nav {float: left;
    width: 180px;
     background-color: #fff;
    height: 550px;
     }
nav a{text-decoration: none;
      margin-top: 50px;}
h2 {padding-top: 60px;
   margin-left: 40px;}

main {background-color: #F5F5DC;
      margin-left: 175px;
      height: 550px;
      background-image: url("li.jpg");
     }
main img {float: left;
          padding-right: 2px;}
main ul { list-style-position: inside;
           margin-top: 40px;}
main div {overflow: auto;
          font-size: 90%;
          padding-left: 5px;
           padding-right: 5px;}
nav ul {list-style: none;
        padding-left: 0;
        font-size: 1.2em;}
a:link {color: #795240;}
a:visited {color: #A58366;}
a:hover {color: #F5F5DC;}
footer{text-align: center;
        margin-top: 10px;}
footer  a:link{ color: #2E0000;}
footer   a:visited{color: #000000;}
footer a:hover{color: #F5F5DC;}
h1 {height: 120px;
    
    font-size: 110px;
    text-align: center;
    }
.news{  margin-top: 40px;}