:root{--ink:#17283b;--muted:#597083;--line:#d8e1eb;--blue:#164f87;--sheet:#fff}body{font-family:Arial,sans-serif}button,select{font:inherit}button,select{border:1px solid #cdd9e6;border-radius:9px;background:#fff;color:#29435c;padding:10px 14px}button:hover{background:#edf4fb}button:disabled{opacity:.4;cursor:default}button.primary{background:#164f87;border-color:#164f87;color:white}button.primary:hover{background:#103b68}button:focus-visible,select:focus-visible{outline:3px solid #3596e8;outline-offset:3px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.top{padding:12px 22px;gap:22px}.topics{gap:2px}.topics a{font-size:13px;padding:9px}#app{max-width:1450px;margin:auto;padding:26px 30px 40px}.revision-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.revision-heading h1{font-size:34px;letter-spacing:-1px;margin:0 0 6px}.revision-heading 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