#chart_c {
    background-color: #b1d1fb;
}

#chart_e {
    background-color: #6ba8f8;
}

#chart_m {
    background-color: #6ec9dd;
}

#chart_s {
    background-color: #679de1;
}

#chart_n {
    background-color: #3ea9c0;
}

#chart_t {
    background-color: #3e78c0;
}