.red{
    background-color:#f00000;
    color:white;
    text-align:center;
}
.amber{
    background-color:#FFBF00;
    text-align:center;
}
.gray{
    background-color:#cccccc;
    text-align:center;
}
.black{
    background-color:#000000;
    color:white; 
    text-align:center;
}
.green{
    background-color:#00a000;
    color:white; 
    text-align:center;
}