.app-bootstrap{max-width:560px;margin:20vh auto;padding:24px;color:#434343;font:16px/1.7 system-ui,sans-serif;text-align:center}.app-bootstrap button{display:block;margin:20px auto 0;padding:8px 24px;border:1px solid #1677ff;border-radius:6px;background:#1677ff;color:#fff;font:inherit;cursor:pointer}