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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Reference File</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<div style="
width: 50px;
height: 50px;
padding: 25px;
border: 25px solid white;
border-top-left-radius: 100%;
background-color: black;
"></div>