<div style="width:98%;margin:auto;">
    <div style="width:30%;height:300px;background-color:rgb(145, 176, 145);float:left;">111</div>
    <div style="width:40%;height:300px;background-color:rgb(118, 118, 221);float:left;">222</div>
    <div style="width:30%;height:300px;background-color:rgb(165, 100, 100);float:right;">333</div>
</div>