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var(--border);border-radius:18px;padding:18px;max-width:min(1100px,94vw);width:100%;background:#fff;color:#0b202d}dialog::backdrop{background:#071b29d9}dialog header{height:45px;padding:0 0 14px;font-size:14px;font-weight:600}dialog .close{border:1px solid var(--border);border-radius:50%;width:34px;height:34px;background:white;font-size:21px}dialog video{width:100%;display:block;border-radius:8px;background:#0b202d;max-height:75vh}dialog img{display:block;max-width:100%;max-height:80vh;margin:auto;object-fit:contain}#image-dialog{width:auto}#image-dialog header{min-width:240px}noscript .plain-steps{max-width:700px;margin:auto;padding:30px;font-size:18px}body.no-js .lesson{display:none}@media(max-width:700px){header{height:65px;padding:0 20px}.brand{font-size:23px}.home{margin:36px auto 50px;padding:0 20px}.lead{font-size:18px}.device-grid{grid-template-columns:1fr;gap:15px;margin-top:28px}.device-card{padding:23px;display:grid;grid-template-columns:45px 1fr;column-gap:18px}.device-card 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