<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Tsutomu ogaoga Ogasawara" href="mailto:info@ogaoga.org">

    <style>
        .item {
            width: 15px;
            height: 45px;
            float: left;
        }
    </style>
</head>

<p>Pass condition: 4 rectangles, with colors in clockwise order starting from top-left: grey, orange, blue, yellow.

<div style="height: 90px; width: 30px; border: 2px solid black;">
    <div class="item" style="background: grey"></div>
    <div class="item" style="background: orange"></div>
    <div class="item" style="background: yellow"></div>
    <div class="item" style="background: blue"></div>
</div>