“Ctrl+/”
“F11/ESC”
<!DOCTYPE html>
<html>
<body>
<svg xmlns="https://www.w3.org/2000/svg" version="1.1">
<ellipse cx="240" cy="50" rx="220" ry="30" style="fill:yellow" />
<ellipse cx="220" cy="50" rx="190" ry="20" style="fill:white" />
</svg>
</body>
</html>