#container     { background-color: #999; margin: 0px; padding: 0px; width: 720px }
#header   { margin: 0px; width: 720px; height: 100px }
#menu     { float: left; margin: 0px; width: 200px }
#contents       { background-image: url(image/back.jpg); float: right; margin: 0px; width: 520px }
#menulist    { margin: 0px; padding: 10px; width: 200px }
#main      { float: right; margin: 0pt; padding: 10px; width: 520px; height: 1400px }
#footer   { margin: 0px; padding: 10px; width: 720px }