JSFiddle - React, Tailwind, and code Playground

HTML

<div id=n1>1</div>
<div id=n2>12313123132</div>
<div id=n3>3</div>

CSS

#n1,#n2,#n3 {float:left}
#n1,#n3 {width:50px}

#n1 {background:red}
#n2 {background:green}
#n3 {background:blue}