.panel-2col .panel-col-first {
  float: left;
  width: 630px;
  margin-right: 100px;
}

.panel-2col .panel-col-last {
  float: left;
  width: 220px;
}

#panels-edit-display .panel-pane,
#panels-edit-display .helperclass {
  margin: .5em;
}