.AspNet-DataList
{
  width:500px;
  float:left;
}
.AspNet-DataList-Item
{
  width:500px;
  float:left;
}

.AspNet-DataList-Body
{
  width:500px;
  float:left;
}

.AspNet-DataList-Row
{
  width:500px;
  float:left;
  margin-bottom:20px;
}

.AspNet-DataList-Cell
{
  width:500px;
  float:left;
}