JSFiddle - React, Tailwind, and code Playground

by David Thomas

HTML

<div id="container">
    <header class="section">
      foo
    </header>
    
    <div class="section expand">
        <div class="columns-container">
            <div class="column" id="a">
                <p>Contents A</p>
            </div><div class="column" id="b">
                <p>Contents B</p>
            </div><div class="column" id="c">
                <p>Contents C</p>
            </div>
        </div>
    </div>
            
    <footer class="section">
        bar
    </footer>
</div>

CSS

/*************************
 * Sticky footer hack
 * Source: http://pixelsvsbytes.com/blog/2011/09/sticky-css-footers-the-flexible-way/
 ************************/

/* Stretching all container's parents to full height */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Setting the container to be a table with maximum width and height */
#container {
    display: table;
    height: 100%;
    width: 100%;
}

/* All sections (container's children) should be table rows with minimal height */
.section {
    display: table-row;
    height: 1px;
}

/* The last-but-one section should be stretched to automatic height */
.section.expand {
    height: auto;
}


/*************************
 * Full height columns
 ************************/

/* We need one extra container, setting it to full width */
.columns-container {
    display: table-cell;
    height: 100%;
    width:600px;
    text-align: center;
}

/* Creating columns */
.column {
    /* The float:left won't work for Chrome for some reason, so inline-block */
    display: inline-block; /* for this to work, the .column elements should have NO SPACE BETWEEN THEM */
    vertical-align: top;
    height: 100%;
    width: 200px;
    text-align: left;
}


/****************************************************************
 * Just some coloring so that we're able to see height of columns
 ****************************************************************/
header { background-color: yellow; }
#a { background-color: pink; }
#b { background-color: lightgreen; }
#c { background-color: lightblue; }
footer { background-color: purple; }