body {font-family: Times New Roman; font-size: 18; color: black; background-image: url(../images/fond_haut.jpg);}
td {font-family: Times New Roman; font-size: 16; color: green; font:bold;}
div {cursor:hand; }
input {readonly;}

a {color:blue}
a:hover {color:red;}
a:active {color:green;}

#BIBI {position:relative; visibility:visible; }
#LINUX {position:absolute; visibility:visible; }
#HTML {position:absolute; visibility:visible; }
#JAVA {position:absolute; visibility:visible; }
#SECU {position:absolute; visibility:visible; }
#PERL {position:absolute; visibility:visible; }
#PHP {position:absolute; visibility:visible; }