body {
    margin: 0;
    background-color: black;
    color: white;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    font-size: 3em;
    postiion: relative;
}

.centered {
    text-align: center;
}

.login {
    position: absolute;
    top: 20px;
    right: 30px;
}

.login a {
    color: white;
    text-decoration: none;
    font-size: 1em;
    border: 1px solid white;
    padding: 6px 12px;
    border-radius: 5px;
    transition: background 0.3s;
}

.login a:hover {
    background-color: white;
    color: black;
}