きみどりクラブ4月『いちご狩り』 » e38380e382a6e383b3e383ade383bce38389e3828ce38184e3828fe38184e381a1e38194e38188e38293
Adding yet another pure CSS technique to the list of off-screen navigation by "hacking" the :focus-within pseudo-class. Have a look at the code to see how it works.