Sharingan
I solved it on March 14, 2022. You can try to beat my record on CSSBattle!
579 chars
<a x></a><a a><a b></a><a c></a><a d pa></a><a d pb></a><a d pc></a></a><style>*{border-radius:50%}body{background:#161616;display:flex;align-items:center;justify-content:center}[x]{position:absolute;border:50px solid #161616;padding: 100px;z-index: 1}[a]{padding:95;background:#A22015;border: 5px solid black;position:relative}[b]{position:absolute;padding:50px;background:black}[c]{position:absolute;padding:25px;border:10px solid #E96A23}[d]{position:absolute;padding:35px;border:15px solid black}[pa]{top:57.6;left:76.5}[pb]{top:57.5;left:223.5}[pc]{top:185;left:150}</style>