.kokugo {
    background-color: rgb(215, 158, 66);
}

.sansu {
    background-color: aqua;
}

.rika {
    background-color: chartreuse;
}

.syakai {
    background-color: honeydew;
}

.zuko {
    background-color: darkorange;
}

.taiiku {
    background-color: indianred;
}

.gaikokugo {
    background-color: yellow;
}

.doutoku {
    background-color: ivory;
}

.kateika {
    background-color: lightblue;
}

.syosya {
    background-color: whitesmoke;
}