* {
  margin:0;
  padding: 0;
}

ul,ol {
  list-style: none ;
}

body {
  background: #bfbfbf url('images/background.jpg') repeat-x;
  font-family: Arial, sans-serif;
}

header {
  padding: 30px 0;
}

header h1 {
  font-size: 40px;
  text-align: center;
  font-family: 'Limelight', sans-serif;
  color: #fff;
  text-transform: uppercase;
  text-shadow: 2px 2px 2px #000;
}

/*
███    ███  █████  ██ ███    ██     ███    ███ ███████ ███    ██ ██    ██
████  ████ ██   ██ ██ ████   ██     ████  ████ ██      ████   ██ ██    ██
██ ████ ██ ███████ ██ ██ ██  ██     ██ ████ ██ █████   ██ ██  ██ ██    ██
██  ██  ██ ██   ██ ██ ██  ██ ██     ██  ██  ██ ██      ██  ██ ██ ██    ██
██      ██ ██   ██ ██ ██   ████     ██      ██ ███████ ██   ████  ██████
*/


#main-menu ul {
  width: 1280px;
  height: 500px;
  margin: 0 auto;
  padding-top:  148px;
}

#main-menu ul li {
  float: left;
  width: 200px;
  height: 500px;
  overflow: hidden;
  position: relative;
}

.bw {
  position: absolute;
  left: 0px;
  width: 200px;
  height: 500px;
  cursor: pointer;
  background: url('images/bw-image.png') no-repeat;
  opacity: 0.7;
}

.color {
  position: absolute;
  left: 200px;
  width: 200px;
  height: 500px;
  cursor: pointer;
  background: url('images/color-image.png') no-repeat;
}

#part2 div {
  background-position: -200px 0px;
}

#part3 div {
  background-position: -400px 0px;
}

#part4 div {
  background-position: -600px 0px;
}

#part5 div {
  background-position: -800px 0px;
}

.description {
  position: absolute;
  left: 200px;
  width: 240px;
  height: 460px;
  padding: 20px;
  background: #fff;
}

.description h2 {
  padding-top: 20px;
  font-size: 30px;
  font-family: 'Limelight', sans-serif;
  text-align: center;
  color: #333;
  text-transform: uppercase;
}

.description h3 {
  margin-top:30px;
  padding: 10px;
  font-size: 26px;
  font-family: 'Lobster', sans-serif;
  background: #d70000;
  color:#fff;
  text-align: center;
  text-shadow: 1px 1px 1px #000;
  border-radius: 5px;
}

.description p {
  padding-top: 35px;
  font-size: 22px;
  font-family: 'Lobster', sans-serif;
  color:#000;
  text-align: center;
}

/*
██████  ██    ██ ████████ ████████  ██████  ███    ██     ███    ███ ███████ ███    ██ ██    ██
██   ██ ██    ██    ██       ██    ██    ██ ████   ██     ████  ████ ██      ████   ██ ██    ██
██████  ██    ██    ██       ██    ██    ██ ██ ██  ██     ██ ████ ██ █████   ██ ██  ██ ██    ██
██   ██ ██    ██    ██       ██    ██    ██ ██  ██ ██     ██  ██  ██ ██      ██  ██ ██ ██    ██
██████   ██████     ██       ██     ██████  ██   ████     ██      ██ ███████ ██   ████  ██████
*/

#button-menu {
	/*padding: 0; margin: 0;*/
	text-align: center; /* centrer le texte */
  padding: 170px 0 50px 0;
}

#button-menu li {
	display: inline;
	list-style: none;
  height: 100px;
}

#button-menu span {
	display:inline-block;
  width: 150px;
  margin-left: 30px;
  padding: 10px 0;
  position: relative;
  text-shadow: 1px 1px 1px #000;
  font-family: 'Lobster', sans-serif;
  text-align: center;
  color: #fff;
  border-radius: 5px;
  box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.75);
  background: #333;
  border: 2px solid #b70000;
  font-size: 22px;
  cursor: pointer;
  opacity: 0.9;
  margin-bottom: 20px;
}

#button-menu span:hover {
  background: #b70000;
  border: 2px solid #333;
  /*font-size: 24px;*/
}