body {background:#99ffff}
h1 {text-align:center;font-family:sans-serif;font-size:x-large}
table{text-align:center}
table.ident {background:#ffff99;border:medium}
table.choix {width:20%}
td.droite {text-align:right}
ul {position:relative;top:20%;left:40%;font-size:larger}

.VousEtes {font-family : sans-serif;text-align : left;font-size : large}
.alerte {color : red; text-align : left; font-family : sans-serif}

.menu {position:fixed;top:0;left:0;height:45px;width:100%;text-align:center;background:#ffcc00;font-size:x-small;
z-index:10;font-family:sans-serif}

.menu table {width:80%}
.menu a,a:visited{color :#cc0000}

#bienvenue {font-size:large;font-family:sans-serif}
#tableau{padding-top: 0};

table.choix{text-align:justify}
table.creneaux{text-align:left}
table.choix a,a:visited {color:#333300}


div.contenu{position:absolute;top:50px;left:0;bottom:0;width:100%;text-align:center;margin:auto;padding-top:200px}
.contenu table {margin:auto}