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<!DOCTYPE html>
<title>CSS Zoom applies to margins</title>
<link rel="author" title="Brent Fulgham" href="mailto:bfulgham@apple.com">
<style>
body {
--scale: 1;
}
#reference-overlapped-red {
background-color: red;
width: calc(100px * var(--scale));
height: calc(100px * var(--scale));
z-index: -1;
}
#reference-overlapped-big-red {
background-color: red;
width: calc(200px * var(--scale));
height: calc(200px * var(--scale));
z-index: -1;
}
.container {
padding: calc(20px * var(--scale));
}
.margin-container {
width: calc(200px * var(--scale));
margin-left: calc(-50px * var(--scale));
}
.margin-big-container {
width: 400px;
margin-left: -100px /*calc(-100px * var(--scale))*/;
}
.green-box {
background-color: green;
width: calc(100px * var(--scale));
height: calc(100px * var(--scale));
font-size: calc(1rem * var(--scale));
display: flex;
justify-content: center;
align-items: center;
text-align: center;
margin: auto;
margin-top: calc(-100px * var(--scale));
justify-self: right;
}
.zoom {
--scale: 2;
}
</style>
<div class="container">
<div id=reference-overlapped-red></div>
<div class="margin-container">
<div class="green-box">unzoomed</div>
</div>
</div>
<div class="container">
<div id=reference-overlapped-big-red></div>
<div class="margin-big-container">
<div class="green-box zoom">zoomed</div>
</div>
</div>
<div class="container zoom">
<div id=reference-overlapped-red></div>
<div class="margin-container">
<div class="green-box">zoomed inherited</div>
</div>
</div>