JSFiddle - React, Tailwind, and code Playground

by mowglisanu

HTML

<div>1</div> <div>2</div> <div>3</div>
<div>4</div> <div>5</div> <div>6</div>
<div>7</div> <div>8</div> <div>9</div>
<div>10</div> <div>11</div> <div>12</div>

CSS

:nth-child(3n+1),:nth-child(3n){
    background:green;
}