<!DOCTYPE html>
<html>
<head>
<link rel="author" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://w3c.github.io/csswg-drafts/css-box-4/#margin-trim-block">
<meta name="assert" content="block-end margin of item should be trimmed">
<style>
container {
    display: block;
    inline-size: min-content;
    margin-trim: block-end;
}
item {
    display: block;
    background-color: green;
    inline-size: 50px;
    block-size: 50px;
    margin-block-end: 10px;
}
</style>
<script src="/resources/