body {
    background: linear-gradient(160deg, #bf8, #fb8, #f8b, #b8f, #8bf, #8fb);
}
#humanity, #blog, #minecraft, #luxia {
    padding: 8px;
    border: 8px double #000;
}
#blog {
    border-radius: 0 16px 0 0;
}
#minecraft {
    border-radius: 0 0 16px 0;
}