.res-bk {
    background-color: black;
    color: white;
}
.res-bn {
    background-color: brown;
    color: white;
}
.res-rd {
    background-color: red;
    color: white;
}
.res-og {
    background-color: orange;
    color: black;
}
.res-ye {
    background-color: yellow;
    color: black;
}
.res-gn {
    background-color: green;
    color: white;
}
.res-bu {
    background-color: blue;
    color: white;
}
.res-vt {
    background-color: purple;
    color: white;
}
.res-gy {
    background-color: gray;
    color: black;
}
.res-wh {
    background-color: white;
    color: black;
}
.res-gd {
    background-color: gold;
    color: black;
}
.res-sr {
    background-color: silver;
    color: black;
}