JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<header>Header</header>
<div class="container">
    <div class="row">
        <div class="col-md-3"></div>
        <div class="col-md-9">Content</div>
    </div>
</div>

CSS

*
{
    margin:0;padding:0;
}
html,body,.container
{
    height:100%;
}
.container
{
    display:table;
    width: 100%;
    margin-top: -50px;
    padding-top: 50px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  
}
header
{
    background: green;
    height: 50px;
}

.row
{
    height: 100%;
    display: table-row;
}
.col-md-3
{
    display: table-cell;
    background: pink;
    width: 25%;
}
.col-md-9
{
    display: table-cell;
    background: yellow;
    width: 75%;
}


.row > div {
    float:none;
    }