body{font-family:system-ui,sans-serif;margin:0;line-height:1.5}.topbar{padding:1rem;background:#eee}.topbar a{margin-right:1rem}.page{max-width:760px;margin:2rem auto;padding:0 1rem}.title{font-size:2rem;font-weight:700}.subheading{font-size:1.35rem;font-weight:700;margin-top:1.5rem}.prompt,.group-title{font-weight:600;margin-top:1rem}.fake-button{display:inline-block;padding:.5rem .8rem;border:1px solid #333;margin-top:1rem;cursor:pointer}