html {
    margin: auto;
    max-width: 640px;
}

body {
    background-color: black;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
}

header, footer {
    background-color: #60C;
    text-align: center;
}

.nav {
    background-color: #06C;
    text-align: center;
    font-weight: bold;
}

a {
    color: yellow;
}

a:hover {
    color: #F96;
}

a:focus {
    color: #F00;
}

.member {
    text-align: justify;
    padding-inline: 4px;
}

.normal {
    background-color: #306;
    color: white;
    font-weight: normal;
    font-family: Tahoma, Geneva, Verdana, sans-serif;
}