body {
  margin:0;
  padding:0;
}

h1
{
  text-align:center;
  padding: .2em 0px .1em 0px;
  letter-spacing: .025em;
  font-weight: bold;
  font-size: 25px;
  margin: 0px 0px;
  color:black;
  background-color:#eee;
  border: none;
}

#machin {
  background: #eee;
}

#truc {
  border-top: 1px solid #888;
}

#onglet {
  padding: 0px 10px;
  margin-left: 0;
  margin-bottom: 0;
  margin-top: 0;
  font-weight: normal;
  font-size: 15px;
  height: 24px;
  text-decoration: none;
  background: #eee;
}

#onglet li{
  list-style: none;
  display: inline;
  margin: 0;
}

#onglet li a{
  color: black;
  text-decoration: none;
  padding:3px 0.5em;
  margin-right: 5px;
  border: 1px solid #888;
  border-bottom: 0px solid #888;
  background: #ccc;
}

#onglet li a:hover{
  color: white;
  background: #000000;
  border-color: #888;
}

#onglet li a.courant{
  background: white;
  color: black;
  border: 1px solid #888;
  border-bottom: 1px solid white;
}

.mainmenu {
  padding: 1rem 0 1rem 0;
  margin-bottom: 0;
}

.subsection {
  border-top: 1px solid #eee;
  padding: 1rem 0 2rem 0;
  margin-bottom: 0;
}

.backtotop {
  float : right;
}