.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.book-v3 a:focus-visible,.book-v3 button:focus-visible,.home-v3 a:focus-visible,.home-v3 button:focus-visible,.history-v3 a:focus-visible,.history-v3 button:focus-visible,.the-idea-v3 a:focus-visible,.the-idea-v3 button:focus-visible,.resources-v3 a:focus-visible,.resources-v3 button:focus-visible,.privacy-v3 a:focus-visible,.privacy-v3 button:focus-visible,.terms-v3 a:focus-visible,.terms-v3 button:focus-visible,header a:focus-visible,header button:focus-visible,footer a:focus-visible,footer button:focus-visible,input:focus-visible{outline:2px solid var(--color-yellow);outline-offset:3px;border-radius:4px}@media (prefers-reduced-motion:reduce){.fade-up,.fade-up.visible{opacity:1!important;transition:none!important;animation:none!important;transform:none!important}html{scroll-behavior:auto!important}}