body {
    font-family: Times, serif;
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4, h5, h6 {
    text-align: center
    }
.big {
    text-align: center;
    font-size: 5em;
    font-weight: bold
    }
.caption {
    text-align: center;
    font-weight: bold
    }
.images {
    border: 0
    }
.intro {
    text-align: center;
    font-size: 0.8em
    }
a:link {
    color: blue;
    text-decoration: none
    }
link {
    color: blue;
    text-decoration: none
    }
a:visited {
    color: blue;
    text-decoration: none
    }
a:hover {
    color: red
    }