h1 {text-align: center}
h1.n {text-align: left}
a.extern:hover {background-color: white}
p { text-align: justify; text-indent: 5% }
p.r { text-align: right }
p.n {text-indent: 0; text-align: left}
em {font-style: normal; font-weight: normal; color: red}
li {margin-top: .5em}