ghost/admin/public/assets/icons/warning-stroke.svg
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
<title>warning-stroke</title>
<path d="M13.313 2.275a1.5 1.5 0 0 0-2.626 0l-9.75 18A1.5 1.5 0 0 0 2.25 22.5h19.5a1.5 1.5 0 0 0 1.313-2.225zM12 18a.375.375 0 0 1 .375.375m-.75 0A.375.375 0 0 1 12 18m0 .75a.375.375 0 0 1-.375-.375m.75 0a.375.375 0 0 1-.375.375M12 15V8.25" style="fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5px"/>
</svg>