SVG inline

Simply copy/paste this into your HTML:

<svg class="humbleicons hi-certificate" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24"><path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 17v4l3-2 3 2v-4M13.957 4.275l-.323-.444a2.022 2.022 0 0 0-3.268 0l-.323.444L9.5 4.19A2.021 2.021 0 0 0 7.19 6.5l.085.543-.444.323a2.021 2.021 0 0 0 0 3.268l.444.323-.085.542A2.021 2.021 0 0 0 9.5 13.81l.543-.085.323.444a2.022 2.022 0 0 0 3.268 0l.323-.444.542.085a2.021 2.021 0 0 0 2.311-2.31l-.085-.543.444-.323a2.022 2.022 0 0 0 0-3.268l-.444-.323.085-.542A2.021 2.021 0 0 0 14.5 4.19l-.543.085Z"/></svg>

SVG sprite

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

<svg class="humbleicons"><use xlink:href="humbleicons.svg#certificate"/></svg>