  margin: auto;
            padding: 2rem 1rem;
        }

        footer {
            margin: 3rem auto 1rem;
            text-align: center;
            font-size: .875rem;
            opacity: .7;
        }

        footer a {
            color: var(--primary);
            text-decoration: none;
        }

        h1 {
            color: var(--primary);
            margin-top: 0;
        }

        /* form layout */
        form {
            display: flex;
            flex-wrap: wrap;
            gap: 