JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="row">
        <div class="col-sm-8 a">A</div>
        <div class="col-sm-4 b">B</div>
        <div class="col-sm-8 c">C</div>
        <div class="col-sm-4 e hidden-xs">E</div>
        <div class="col-sm-8 d">D</div>
        <div class="col-sm-4 e2 visible-xs-block">E</div>
    </div>
</div>

CSS

.row > div {
    border: 1px solid #000;
}