html, body {
 margin: 0;
 padding: 0;
 }
 div {
 margin-top: 50px;
 margin-left: 50px;
 margin-right: 50px;
 font-size: 120%;
 }
 
h1 {
 font-size: 200%; 
 color: navy; 
 text-align: center;
 }
h2 {
 font-size: 150%; 
 color: red; 
 padding-left: 15px;
 }
p,ul,li,td {
 color: black; 
 }
a:link {
 color: green;
 text-decoration: underline;
 }
a:visited {
 color: gray;
 }
a:hover {
 color: red;
 text-decoration: none;
}
a:active, a:focus {
 color: red;
}
#attente {
 text-align: center; 
 Font-size: 300%;
 }