JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Inline</h1>

<div class='inline'></div>
<div class='inline'></div>

<h1>Float</h1>

<div class='float'></div>
<div class='float'></div>

<h1>Columns</h1>

<div class='cols'>text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text</div>

<h1>Table</h1>

<div class='table'>
    <div class='cell'></div>
    <div class='cell'></div>
</div>

CSS

html, body {
    width:100%;
    font-size:0;
    margin:0;
    padding:0;
}
h1 {
    font-size:20px;
}
div {
    border:1px solid;
    height:200px;
    width:50%;
    box-sizing:border-box;
    font-size:14px;
}
.inline {
    display:inline-block;
}
.float {
    float:left;
}
.cols {
    -webkit-column-count:2;
    width:100%;
}
.table {
    display:table;
    width:100%;
}
.cell {
    display:table-cell;
}