body {background-color:violet; color:purple;}

H1.titre {color:white; font-size:200%; font-family:tahoma, helvetica, sans-serif;}

H2.plan {color:blue; font-size:150%;font-family:tahoma, helvetica, sans-serif;}

P.intro1 {margin-left:2cm; font-size:110%; }

P.intro2 {margin-left:3cm; font-size:110%; font-style:italic;}

P.intro3 {margin-left:2cm; font-size:110%; }

P.intro1:first-letter {font-size:300%; float:top;}

TABLE.U {background-color:pink; margin-top:1cm;}

P.premier {font-size:110%;}