* {
    font-family: arial;
}

h2 {
    text-align: center;
}

/* UNVISITED LINK */
a:link {
    text-decoration: none;
}

/* HOVERED LINK */
a:hover {
    color: orangered;
}

/* ACTIVE LINK */
a:active {
    color: lawngreen;
}

/* VISITED LINK */
a:visited {
    color: red;
}
/* CHECKED */
input[type="checkbox"]:checked {
    outline: 2px solid blue;
}

/* DISABLED */
input[type="text"]:disabled {
    background-color: lightgray;
}

/* FOCUS */
#cool:focus {
    background-color: aqua;
}

/* NTH CHILD */
p:nth-child(3) {
  color: orangered;
}