a:nth-child(5n+1) {    color: #39c408;
    background-color: rgba(58,196,8,.15);
}

a:nth-child(5n+2) {
    color: #20a0ff;
    background-color: rgba(32,158,255,.15);
}

a:nth-child(5n+3) {    color: #837adc;
    background-color: rgba(132,122,220,.15);
}

a:nth-child(5n+4) {    color: #F1404B;
    background-color: rgba(249,100,90,.15);
}

a:nth-child(5n+5) {    color: #ff8400;
    background-color: rgba(255,131,0,.15);
}