body {
    margin: 0;
    padding: 0;
    background: url("../img/tlo.jpg") no-repeat center center fixed;
    background-size: cover;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #222;
    text-align: center;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    max-width: 600px;
}

h1#domainname {
    color: #c62828;
    font-size: 3rem;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
}

.mail-button {
    display: inline-block;
    background-color: #c62828;
    color: white;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.mail-button:hover {
    background-color: #b71c1c;
}

canvas#fireCanvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
    /* mix-blend-mode: screen;  usuń na test */
    opacity: 0.6;
    /* usuń width i height */
}