body
{
  /*background-color: #095A09;*/
  background-color: #212121;
  height: 100%;
  padding: 20px;
  color: #FFFFFF
}

header
{
  text-align: center;
  font-size: 70px;
}

menu ul 
{
  padding:0;
  margin:0;
  list-style-type:none;
}
menu li 
{
 margin-left:2px;
 float:left; /*pour IE*/
}
menu ul li a 
{
 display:block;
 float:left;   
 width:100px;
 background-color:#303030;
 color: #FFFFFF;
 text-decoration:none;
 text-align:center;
 padding:5px;
 border:2px solid;
  
  border-radius: 2px;
 /*pour avoir un effet "outset" avec IE :*/
 border-color:#000000;
}
menu ul li a:hover 
{
 background-color:#424242;
 border-color:#000000;
} 

menu ul li a.selected 
{
 background-color:#212121;
 border-color:#000000;
} 

menu
{
  display: inline-block;
  padding: 0;
  margin-left: 10%
}

main
{
  text-align: left;
  color: #FFFFFF;
  background-color: #000000;
  margin-left: 10%;
  margin-right: 10%;
  border-radius: 20px;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 10px;
  min-height: 500px;
}

footer
{
  text-align: center;
}