how to divide page into two rows in html code example

Example: divide in single rows html using div

div{
  display:inline-block;
  float:left;
  color:#fff;
  font-size:40px;
}

.one{
  width:150px;
  height:200px;
  background:red;
}

.two{
    width:100px;
  height:200px;
  background:lightgreen;
}

.three{
    width:100px;
  height:200px;
}

.four{
  width:100px;
  height:100px;
background:darkblue;
}
.five{
  width:100px;
  height:100px;
background:blue;
}