JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
    <!--Updated on 10/8/2016; fixed center alignment percentage-->
    <div class="fleft">Left</div>
    <div class="fcenter">Center</div>
    <div class="fright">Right</div>
</div>

CSS

.wrap {
    width: 100%;
    overflow:auto;
}

.fleft {
    float:left; 
    width: 33%;
background:lightblue;
    height: 400px;
}

.fcenter{
    float:left;
    width: 33%;
    background:lightgreen;
    height:400px;
    margin-left:0.25%;
}

.fright {
float: right;
    background:pink;
    height: 400px;
    width: 33.5%;
    
}