html {
 background-color:white;
 color:black;
}

body {
 width:75%;
 margin: 4em auto 4em auto;
 background-color:black;
 color:white;
 padding:4em;
 font-family:Helvetica,Calibri,sans-serif;
 font-size:1.5em;
 line-height:1.25;
}

h1 {
 text-align:center;
}

a:link,a:visited {
 color:#c00;
 text-decoration: none;
}

a:hover,a:active {
 color:#c00;
 text-decoration: underline;
}