Responsive 12 column based grid in 311 Bytes when gzipped.
npm i griddy.css --saveor
<link rel="stylesheet" href="https://unpkg.com/griddy.css@1.0.0/dist/griddy.min.css" type="text/css" />2 different columns
<div class="griddy">
<div class="griddy-col griddy-col-4">.col.col-4</div>
<div class="griddy-col griddy-col-8">.col.col-8</div>
</div>1 column with offset
<div class="griddy">
<div class="griddy-col griddy-col-4 griddy-offset-6">.col.col-4.offset-6</div>
</div>.griddy.griddy-col.griddy-col-right.griddy-col-{COLUMN NUMBER}.griddy-offset-{OFFSET NUMBER}
MIT Licensed