#topnav {background: transparent}
#addnav {background: yellow}

#content h1 {text-align: center;}
#content h2 {text-align: center;}

li {list-style-type: decimal;}


#fact {padding: 2px; border:1px solid black; margin: 2px; background: white;}
#fact:first-line {font-weight: bold; align: "center"; background: #8cccca}