SVG inline

Simply copy/paste this into your HTML:

<svg class="humbleicons hi-brand-instagram" 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="M16.5 7.5v0M8 4h8a4 4 0 0 1 4 4v8a4 4 0 0 1-4 4H8a4 4 0 0 1-4-4V8a4 4 0 0 1 4-4Zm7.5 8a3.5 3.5 0 1 1-7 0 3.5 3.5 0 0 1 7 0Z"/></svg>

SVG sprite

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

<svg class="humbleicons"><use xlink:href="humbleicons.svg#brand-instagram"/></svg>