JSFiddle - React, Tailwind, and code Playground

by Alex Rutherford

HTML

<div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
</div>

CSS

div {
    width: 310px;
    height: 600px;
}
div div {
    width: 100px;
    height: 100px;
    float: left;
}
div div:nth-child(-n+3) {
    border-bottom: 1px solid;
}
div div:nth-child(-n+6) {
    border-bottom: 1px solid;
}
div div:nth-child(1), div:nth-child(2), div:nth-child(4), div:nth-child(5), div:nth-child(7), div:nth-child(8) {
    border-right: 1px solid;
}