body {
    background: lightyellow;
    margin: 10%;
    text-align: justify
    }
h2, h3, h4, h5, h6 {
    color: green;
    text-align: center
    }
blockquote {
    font-size: 97%
    }
p.poem {
    text-align: center
    }
a:link {
    color: blue;
    text-decoration: none
    }
link {
    color: blue;
    text-decoration: none
    }
a:visited {
    color: blue;
    text-decoration: none
    }
a:hover {
    color: red
    }