body{
  text-align: center;
  background-color: #666666;
}
.contents{
  width: 722px;
  margin: 0px;
  padding: 0px;
  text-align: left;
  margin-left:auto;
  margin-right:auto;
  background-color: #ffffff;
}
.header{
  margin: 0px;
  padding: 0px;
  clear: both;
  width: 722px;
}
.main{
  margin: 0px;
  padding: 0px;
  float: right;
  width: 530px;
}
.side1{
  margin: 0px;
  padding: 0px;
  float: left;
  width: 180px;
}
.footer{
  margin: 0px;
  clear: both;
  width: 100%;
  font-family: "Times New Roman", Times, serif;
  text-align: center;
}