html{color-scheme:dark;font:16px system-ui;background:#101827;color:#d7e3f3}main{max-width:30rem;margin:15vh auto;padding:1.5rem}input,button{box-sizing:border-box;width:100%;padding:1rem;margin:.5rem 0;border:1px solid #45556e;border-radius:.5rem;background:#1c293c;color:#d7e3f3}button{cursor:pointer}