/* “®‰æ */
#flow {
  width: 840px;
}

.step_left {
  float: left;
  width: 250px;
  margin: 0px 0px 0px 50px;
}
.step_right {
  float: right;
  width: 480px;
  margin: 50px 0px 0px 0px;
}