User:NerdOfEpic/builtin-palette.css

.pal-td 
{
    border: 1px solid #000;
    padding: 0px;
    width: 30px;
    height: 30px;
    text-align: center;
    vertical-align: middle;
}

.r { background-color: #fbb; }
.g { background-color: #bfb; }
.b { background-color: #bbf; }

.mono { font-family: monospace; }