a{
  color:blue;
}
a:link{
  color:blue;
  text-decoration:none;/*desouligné le mot*/
}
a:visited{
  color:red;
}
a:active{
  background-color:#ffff00;
}
a:hover{
  /*color:orange;*/
  font-style:Italic;
  letter-spacing:10px;
  text-transform:Appercase;
  font-weight:bold;
  background-color:yellow;
  color:blue;
}
#bouton{
position: relative;
margin-right: 10px;
left: 80%;

}