<style>
.container {
  width: 500px;
  font-family: Ahem;
  font-size: 20px;
  color: transparent;
}
.float_right {
  float: right;
  background-color: blue;
  width: 50px;
  height: 200px;
}

.float_left {
  float: left;
  width: 300px;
  height: 50px;
  background-color: blue;
}
</style>
<div class=container>
  <div class=float_right></div>
  <div style="margin-bottom: 100px;" class=float_left></div>
  <div class=float_left></div>
  XXXX
</div>
