nav a:link {
    color:green;
    text-decoration: none;
}
a:visited {
    color: red;
}
a:hover {
    color: aqua;
    font-size: larger;
    text-decoration: underline;
}
a:active {
    color: yellow;
}
ul li:first-child {
    color: blueviolet;
    font-weight: bold;
}
ul li:last-child {
    text-decoration: underline;
}
ul li:nth-child(even) {
    background-color: rgb(247, 208, 208);
}
ul li:nth-child(3) {
color: rgb(74, 61, 255);
}
ol li:nth-child(odd) {
color: firebrick;
}
ol li:nth-child(2) {
    font-size: larger;
}
ol li:last-child {
    background-color: indianred;
}
body {
    background-color: rgb(177, 189, 255);
}