<!DOCTYPE html>
<html>
<head>
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-block">
<title>margin-trim: block-container-float-block-start-with-transforms</title>
<meta name="assert" content="Float with transforms should get its margins trimmed normally">
<style>
container {
    display: block;
    width: 100px;
    margin-trim: block;
}
item {
    display: block;
    width: 50px;
    height: 50px;
    backgrou