body {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #21a31d;
    color: #000;
    font-family: sans-serif;
}

a, a:hover, a:visited {
    color: #000;
    text-decoration: none;
}

li {
    list-style: none;
    margin-bottom: .3em;
}

.avatar {
    width: 192px;
}