<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<title>border-box and max-content should include borders</title>
<link rel="help" href="https://drafts.csswg.org/css-sizing-3">
<link rel="match" href="border-box-and-max-content-001-ref.html">
<style>
    .wrapper {
        border: 1px solid red;
        width: max-content;
    }
    .item {
        max-width: max-content;
        box-sizing: border-box;

        padding: 10px 20px;
        background-color: blue;
    }
    .content {
        width: 50px;
        height: 50px;
        background-color: green;
    }
</style>
<div class="wrapper">
    <div class="item">
        <div class="content"></div>
    </div>
</div>
