:root{--buku-danger:#b3261e;--buku-danger-bg:#f6e5e4;--buku-warning:#8a6100;--buku-warning-bg:#f3efe6;--buku-fokus:#045991}[data-buku] :is(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--buku-fokus);outline-offset:2px}