#bigLeftCol {
  float: left;
  width: 65em;
}

#leftCol {
  width: 39.167em;
  float: left;
  overflow: visible;
}

#rightCol {
  width: 17.7em;
  float: left;
}

#rightCol div.modules {
  margin-left: 0.833em;
  margin-right: 0.53em;
}