core/src/img/check-24px.svg
<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Illustrator 22.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 24 24" style="enable-background:new 0 0 24 24;" xml:space="preserve">
<style type="text/css">
.st0{fill:none;stroke:#000000;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:10;}
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<polyline class="st0" points="5.8,13.8 9.8,18.7 19.3,5.2 "/>
</svg>