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<!DOCTYPE html>
<html>
<head>
<title>Reference: Testing safe overflow-position for align-self in absolutely positioned boxes in reverse flex containers w/ item margin</title>
<link rel="author" title="Mihir Iyer" href="mailto:miyer@mozilla.com">
<link rel="author" title="Alison Maher" href="mailto:almaher@microsoft.com">
<meta charset="utf-8">
<style>
.flex {
display: flex;
height: 50px;
width: 50px;
border: 3px solid black;
vertical-align: top;
margin: 20px;
position: relative;
}
.child {
border: 2px dotted purple;
background: teal;
width: 65px;
height: 65px;
align-self: start;
position: absolute;
background: yellow;
margin: 5px;
}
.rowDir {
flex-direction: row-reverse;
}
.colDir {
flex-direction: column-reverse;
}
.vertRL {
writing-mode: vertical-rl;
}
</style>
</head>
<body>
<div class="flex rowDir"><div class="child"></div></div>
<div class="flex colDir"><div class="child"></div></div>
<div class="flex rowDir vertRL"><div class="child"></div></div>
<div class="flex colDir vertRL"><div class="child"></div></div>
</body>
</html>