html, body {
  position: relative;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background-color: white;
  color: black;
}

a {
  color: orange;
  text-decoration: underline;
}

div#tete {
  position: absolute;
  top: 25px;
  left: 0;
  margin: 0;
  padding: 0;
  height: 125px;
  width: 100%;
  background-color: orange;
  text-align: center;
}

div#navigation {
  position: absolute;
  top: 0;
  left: 0;
  height: 25px;
  width: 100%;
  margin: 0 0 5px 0;
  padding: 0;
  font-size: x-small; /* for IE 5.5 */
  f\ont-size: small; /* feed to compliant browsers */
}

div#navigation ul {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  list-style-type: none;
  clear: both;
}

div#navigation ul li {
  height: 25px;
  width: auto;
  margin: 0;
  padding: 0;
  float: left;
}

div#navigation ul li a {
  display: block;
  height: 25px;
  width: 100px;
  bottom: 0;
  line-height: 25px;
  text-align: center;
}

div#navigation ul li a:hover {
  color: white;
  background-color: green;
  -moz-border-radius: 10%;
  -webkit-border-radius: 10px;
  border-radius: 10%;
}

div#contenu {
  position: absolute;
  height: auto;
  top: 180px;
  right: 0;
  margin: 0;
  padding: 0;
}

div#menu {
  position: absolute;
  top: 150px;
  left: 0;
  height: 30px;
  width: 100%;
  margin: 0 0 5px 0;
  padding: 0;
  font-size: x-small; /* for IE 5.5 */
  f\ont-size: small; /* feed to compliant browsers */
}

div#menu ul {
  height: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
  list-style-type: none;
  clear: both;
}

div#menu ul li {
  height: 30px;
  width: auto;
  margin: 0;
  padding: 0;
  float: left;
}

div#menu ul li a {
  display: block;
  height: 30px;
  width: 100px;
  bottom: 0;
  line-height: 30px;
  text-align: center;
}

div#menu ul li a:hover {
  color: white;
  background-color: brown;
  -moz-border-radius: 10%;
  -webkit-border-radius: 10px;
  border-radius: 10%;
}