body { background-color: #000000;
       color: #FFFF00;
       Font-family: Tahoma, Arial, Verdana
       
}
h1 { Background-color: #FFFF00;
     color: #FFFFFF;
     font-style: Bold;
     line-height: 200%;
     text-align: center
}
#nav { text-align: center
}
#container { margin-left: auto;
             margin-right: auto;
             width:80%;
}