Wig

I solved it on November 29, 2022. You can try to beat my record on CSSBattle!

172 chars
<body bgcolor=62306D><p><p a><style>p{position:fixed;background:#F7EC7D;border-radius:80px 0 40px;padding:80 40;margin:62 112}[a]{margin:62 192;border-radius:0 80px 0 40px}