.left_column_with_border {
  float: left;
	width: 45%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
  border-right: 1px grey solid;
}

.left_column {
  float: left;
	width: 45%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
}

.right_column {
  float: left;
	width: 45%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
}

.left_tight_column {
  float: left;
	width: 45%;
  margin: 0px 0px 0px 0px;
  padding:  0px 10px 0px 0px;
}

.right_tight_column {
  float: left;
	width: 45%;
  margin: 0px 0px 0px 0px;
  padding:  0px 10px 0px 0px;
}

.left_23_column {
  float: left;
	width: 60%;
  margin: 5px 5px 5px 5px;
  padding:  5px 5px 5px 5px;
  border: 1px solid black;
}

.right_13_column {
  float: left;
	width: 310px;
  margin: 5px 5px 5px 5px;
  padding:  5px 5px 5px 5px;
  border: 1px solid black;
}

.left_tri_column {
  float: left;
	width: 28%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
}

.mid_tri_column {
  float: left;
	width: 28%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
}

.right_tri_column {
  float: left;
	width: 28%;
  margin: 10px 10px 10px 10px;
  padding:  0px 10px 0px 0px;
}

.left_fixed_column {
  width: 460px;
  float:left;
}

.right_fixed_column {
  width: 460px;
  float:right;
}

.maincolumn {
  width:44%;
  height: 1%;
  float: left;
  padding-right: 10px;
  padding-left: 10px;
  text-align: left;
}

.maincolumn_right {
  float: left;
  width: 44%;
  margin-left: auto;
  margin-right: auto;
  padding-right: 10px;
  padding-left: 10px;
  text-align: left;
  border-left: 1px solid #cccccc;
}

.mainrow {
  width: 100%;
/*  float: left;*/
}

.scrollable {
  height: 300px;
  overflow: auto;
}

.main {
  float: left;
  width: 100%;
}