<div style="width: 600px; height; 300px;">
<div style="width: 200px; height: 300px; float: left; background-color: #7DBC2D;"></div>
<div style="width: 200px; height: 300px; float: left; background-color: #FFF;"></div>
<div style="width: 200px; height: 300px; float: left; background-color: #BC2BB6;"></div>
</div>