.invaders-wrap { display:grid; place-items:center; padding:1rem; }
.invaders-window { border:1px solid rgba(0,255,247,.3); background: rgba(0,0,0,.35); border-radius:8px; padding:1rem; }
.invaders-window header { display:flex; justify-content:space-between; align-items:center; margin-bottom:.5rem; }
.invaders-window .btn { border:1px solid var(--neon); padding:.25rem .5rem; background:transparent; color:var(--neon); cursor:pointer; }
.invaders-full { position:fixed; inset:0; background:#000; z-index:9990; display:flex; align-items:center; justify-content:center; }
.invaders-full .btn-exit { position:fixed; top:1rem; right:1rem; border:1px solid var(--neon); background:transparent; color:var(--neon); padding:.5rem .75rem; }
canvas#z0rkd-invaders { image-rendering: pixelated; }