body{background:#f7f8fa}.container{max-width:1100px;margin:2rem auto;padding:0 1rem}.card{background:#fff;border:1px solid #dee2e6;border-radius:.5rem;padding:1.25rem}.alert{padding:.75rem 1rem;border-radius:.35rem;margin-bottom:1rem}.alert-success{background:#d1e7dd}.alert-danger{background:#f8d7da}code{background:#eef;padding:.1rem .25rem;border-radius:.2rem}