body{
    background-color: rgb(173, 253, 193);
}
a{
    color: green;
    text-decoration: none;
}
a:visited{
    color: red;
}
a:hover{
    color: blue;
    text-decoration: underline;
    font-size: medium;
}
a:active{
    color: yellow;
}
ul li:first-child{
    color: burlywood;
    font-size: medium;
}
ul li:last-child{
    text-decoration: underline;
}
ul li:nth-child(even) {
    background-color: lightgrey;
}
ul li:nth-child(3) {
    background-color: crimson;
}
ol li:nth-child(odd) {
    color: crimson;
}
ol li:nth-child(2) {
    font-size: large;
}
ol li:last-child{
    background-color: coral;
}