*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f0f2f5;color:#1a1a2e;line-height:1.5}a{color:#25d366;text-decoration:none}a:hover{text-decoration:underline}button:disabled{opacity:.65;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:48px;height:48px;border:4px solid #e0e0e0;border-top-color:#25d366;border-radius:50%;animation:spin .9s linear infinite}