body {
    background-color: rgba(155, 200, 40, 1);
    margin: 20px;
    font-size: 20px;
 }
 
 p {
    color: rgba(109, 103,107, 0.5); 
    background-color: darkkhaki;
    padding: 30px;
    margin: 30px;
 }
 
 li {
     color: pink;
 }

 ol {
    background-color: aquamarine;
 }

.introduction {
    background-color: darkolivegreen;
    border: 60px dotted lightblue;
}