:root{color:#202124;background:#f8f9fa;font-family:system-ui,sans-serif}body{place-items:center;min-block-size:100vh;margin:0;display:grid}.shell{box-sizing:border-box;background:#fff;border:1px solid #dadce0;border-radius:1rem;inline-size:min(32rem,100% - 2rem);padding:2rem;box-shadow:0 .25rem 1rem #3c40431f}h1{margin-block:0 .75rem;font-size:1.5rem}p{color:#5f6368;margin:0;line-height:1.5}button{color:#fff;font:inherit;cursor:pointer;background:#1a73e8;border:0;border-radius:.75rem;margin-block-start:1rem;padding:.65rem 1rem;font-weight:650}:root[data-sender-surface=embedded]{background:0 0}:root[data-sender-surface=embedded] body{place-items:stretch stretch;min-block-size:100%}:root[data-sender-surface=embedded] .shell{min-block-size:100%;inline-size:100%;box-shadow:none;border:0;border-radius:0;padding:1.25rem}:root[data-sender-surface=embedded] h1{font-size:1.15rem}