/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body styling */
body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
}

/* Container effect */
h1 {
    font-size: 3rem;
    letter-spacing: 2px;
    text-align: center;
    padding: 20px 40px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

/* Protocol display styling */
body::after {
    content: "Protocol: ";
    display: block;
    position: absolute;
    bottom: 30px;
    font-size: 1.2rem;
    opacity: 0.8;
}