span.level5 {
    color: #FFFFFF;
    background-color: #000000;
}

span.level4 {
    color: #FFFFFF;
    background-color: #7030A0;
}

span.level3 {
    color: #FFFFFF;
    background-color: #FF0000;
}

span.level2 {
    color: #000000;
    background-color: #FFFF00;
}