JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
        <script src="http://www.modernizr.com/downloads/modernizr-2.0.6.js"></script>    
    </head>
    <body>
        <section id="sec1">content</section>
        <section id="sec2">content</section>        
        <section id="sec3">content</section>       
        <section id="sec4"></section>

        <section id="start"></section>
    </body>
</html>

CSS

section > aside {
        float:left;
        width:75px;
        position:relative;
        background-color:#333;
    }

   section > article {
        background-color:#E5EFF7;
        margin-left: 75px;
        border: 1px solid gray;
        min-height: 50px;
    }

JavaScript

var testingHTML ='<section><aside>hello</aside> <article> world</article></section>';
$('#sec1').html($("#start").html(testingHTML));
$('#sec2').html($("<div />").html(testingHTML));
$('#sec3').html($("<div />").append(testingHTML));
$('#sec4').append($("<div />").html(testingHTML));