*{
    font-family: sans-serif;
    font-size: 16px;
    margin: 0;
    padding: 0;
 }

h1, p {
   font-family: serif; 
 }

h1 {
    color: blue;
 }

img {
    width: 100vw;
    height: auto;
 }

.list {
    background-color: darkslateblue;
 }

.fact {
    color: white;
 }

.fun {
    font-style: italic;
 }

 #three {
     text-decoration: underline;
 }

a:link {
    color: blue;
 }

a:visited {
    color: darkred;
 }

a:hover {
    text-decoration: none;
 }

a:active {
    color: orange;
 }