resources/lib/ooui/themes/wikimediaui/images/icons/checkAll-progressive.svg
<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><title>
check all
</title><path fill="#36c" d="m.29 12.71 1.42-1.42 2.22 2.22 8.3-10.14 1.54 1.26-9.7 11.86zM12 10h5v2h-5zm-3 4h5v2H9zm6-8h5v2h-5z"/></svg>