body{margin:0;background:#000;color:#fff;font-family:Arial} .wall{position:fixed;inset:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;padding:8px;overflow:hidden}.tile{background-size:cover;background-position:center;min-height:180px;filter:brightness(.35)}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55)}.content{position:relative;z-index:2;max-width:760px;margin:4vh auto;padding:35px;text-align:center;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);border:1px solid #3cff78;border-radius:16px}.logo{max-width:340px;width:80%}a{color:#74ff9c;text-decoration:none}