body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1a1a1a;
    color: #00ff88;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

h1 {
    border-bottom: 2px solid #00ff88;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}


body > b, body {
    font-size: 1.5rem;
    font-weight: bold;
}