“Ctrl+/”
“F11/ESC”
<!DOCTYPE html>
<html>
<body>
<svg xmlns="https://www.w3.org/2000/svg" version="1.1">
<g fill="none">
<path stroke="red" d="M5 20 l215 0" />
<path stroke="black" d="M5 40 l215 0" />
<path stroke="blue" d="M5 60 l215 0" />
</g>
</svg>
</body>
</html>