.row1 {
    width: 20%;
    height: 100%;
    float: left;
    padding-bottom: 20px;
    margin-left: 10px;
    margin-right: 20px;
}

.row2 {
    width: 50%;
    height: 100%;
    float: left;
    padding-bottom: 20px;
}

.row3 {
  width: 20%;
  height: 100%;
  position: relative;
  float: right;
  padding-right: 20px;
  padding-bottom: 20px;
  margin-right: 10px;
}