/* CSS Document */

html, body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none
  }


#centpourcent {
  height: 100%;
  width: 100%;
  }

a {
  text-decoration: none;
  color: grey;
}

a:hover {
  color: yellow;
  background-color: grey;
}