.topmain {
  display: block;
  width: 810px;
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}
.main {
  float: left;
  display: block;
  width: 810px;
  text-align: left;
  margin: 0px;
  padding: 0px;
}
.content {
  float: right;
  display: inline;
  width: 530px;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
}       
.content_in {
  padding: 25px 50px 20px 30px;
  margin: 0px;
  overflow: hidden;
  line-height: 1.5;
}

.side {
  float: left;
  display: inline;
  width: 280px;
  margin: 0px;
  padding: 0px;
}
.side_in {
  padding: 0px 0px 0px 0px;
  margin: 0px;
}

.delimiter {
  width:670px;
  float: left;
  display: block;
  border: 0px;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
}
.clear {
  clear: both; 
  visibility: hidden;
  height: 1px;
  overflow: hidden;
  margin-top: -1px;
  padding-top: -1px;
}