ghost/admin/public/assets/icons/moon.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
<title>moon</title>
<path d="M12.248 11.959A11.254 11.254 0 0 0 4.373 1.226a11.25 11.25 0 1 1 0 21.466 11.253 11.253 0 0 0 7.875-10.733Z" style="fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5px;fill-rule:evenodd"/>
</svg>