Fancy Ordered List CSS with massive numbers and unique colors for each li

Fancy Ordered List CSS

#start-program li {
    list-style-type:none;
    font-weight:bold;
    line-height:180%;
    margin:0 0 60px 0;
    padding-left:60px;
    position:relative;
    min-height:50px;
   
}

#start-program li:before {
    content: counter(start-counter);
    counter-increment: start-counter;
    font-size:75px;
    color:#1A3758;
    font-family:"Arial Black", Gadget, sans-serif;
    position:absolute;
    top:15px;
    left:0;
    
}

#start-program li:nth-child(2):before {
    color:#f2994f;
}
#start-program li:nth-child(3):before {
    color:#61c0e1;
}
#start-program li:nth-child(4):before {
    color:rgba(112,175,0,1.0);
}