<div style="width:160px;height:100;border: 3px solid yellow;">
<div style="float:left;width:30px;height:30px;border: 3px solid red;">1</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">2</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">3</div>
<div style="float:left;width:30px;height:40px;border: 3px solid red;">4</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">5</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">6</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">7</div>
<div style="float:left;width:30px;height:30px;border: 3px solid red;">8</div>
</div>
