SVG inline

Simply copy/paste this into your HTML:

<svg class="humbleicons hi-corner-left-down" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><g stroke="currentColor" stroke-linecap="round" stroke-width="2"><path d="M19 4h-6.5a3 3 0 0 0-3 3v12"/><path d="M6 16.5 9.5 20l3.5-3.5"/></g></svg>

SVG sprite

Download the sprite file and address the icon by its slug:

<svg class="humbleicons"><use xlink:href="humbleicons.svg#corner-left-down"/></svg>