<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<svg width="30%" viewbox="0 0 30 42">
<path fill="transparent" stroke="#000" stroke-width="1.5"
d="M15 3
Q16.5 6.8 25 18
A12.8 12.8 0 1 1 5 18
Q13.5 6.8 15 3z" />
</svg>
</body>
</html>