<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Reference: Percentage gap, content-based width/height (via float)</title>
<style>
#grid {
border: solid 5px teal;
width: 200px;
height: 100px;
padding: 10px 0 0 10px;
}
#grid > div {
float: left;
border: solid 5px aqua;
width: 70px;
height: 30px;
margin-left: 5px;
}
/* highlight manual pass condition */
#grid > div:nth-child(even) {
border-right: none;
margin-left: 40px;
}
#grid > div:nth-child(n + 3) {
border-bottom: none;
margin-top: 25px;
}
</style>
<p>Test passes if there is no red.
<div id="grid">
<div></div>
<div></div>
<div></div>
<div></div>
</div>