a, a:visited {
    color: white;
}

body {
    margin: 0;
    background: #778899;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 10px;
}

p {
    margin-top: 0;
}