#copy {
  float: left;
  width: 67%;
}

#signup_box {
  float: right;
  text-align: center;
  width: 250px;
}

#signup_box a {
  font-size: 14pt;
  font-weight: bold;
}

#feature_box {
  float: right;
  width: 250px;
  margin-left: 20px;
}

#feature_box dt {
  float: left;
  width: 135px;
  font-weight: bold;
}

#feature_box dd {
  margin-left: 135px;
  margin-bottom: 0.5em;
}

#software_box {
  float: right;
  width: 250px;
  margin-left: 20px;
}