.flex2column-50-50 .columnLeft, .flex2column-50-50 .columnRight {
  float: left;
  width:250px;
}
.flex2column-50-50 .columnRight { float: right;}

/*
#columnLeft {
 float: left;
 width: 160px;
 margin-left: 10px;
 padding-top: 1em;
}
#columnRight {
 padding-top: 1em;
 margin: 0 2em 0 200px;
}
*/