Text-align: Justify Grids Based on http://www.barrelny.com/blog/text-align-justify-and-rwd/

justify-grids.css

/* Don't forget to add placeholder elements to your grid */

#grid{
    text-align: justify;
    font-size: 0.1px; /*hide whitespace between elements*/
}
 
#grid li{
    display: inline-block;
    width: 23%;
    font-size: 14px;
}
 
#grid:after{
    content: '';
    display: inline-block;
    width: 100%;
}