/* GENERAL : */
* {
  margin: 0;
  padding: 0;
}

ul,
ol {
  list-style: none;
}

body {
  background: #245060;
  font-family: Arial, sans-serif;
}

header {
  padding: 30px 0;
}

header h1 {
  font-size: 40px;
  text-align: center;
  color: white;
  text-transform: uppercase;
  text-shadow: 2px 2px 2px black;
  font-family: 'Roboto', sans-serif;
}

h1,
h2,
header {
  text-align: center;
}

h1 {
  font-size: 300%;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 7px;
  border-bottom: 1px solid #02d8dd;
  text-shadow: 2px 2px 4px #0000009f;
  box-shadow: 0px 2px 0px #00000063;
  display: inline-block;
}

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

header img {
  margin-bottom: 20px;
}

.nav {
  margin: 0 30px;
}

/* MAIN MENU */

#main-menu ul {
  width: 980px;
  height: 500px;
  margin: 0 auto;
  padding-top: 148px;
}

#main-menu ul li {
  float: left;
  width: 140px;
  height: 500px;
  overflow: hidden; /* Cacher ce qui dépase de la largeur/hauteur max de la vie (140px sur 500px) */
  position: relative;
}

.bw {
  position: absolute;
  left: 0px;
  width: 140px;
  height: 500px;
  cursor: pointer; /* Change le curseur pour une main clickable */
  background: url('../images/langages/bw-image.jpg') no-repeat;
  opacity: 0.7;
}

.color {
  position: absolute;
  left: 140px;
  width: 140px;
  height: 500px;
  cursor: pointer; /* Change le curseur pour une main clickable */
  background: url('../images/langages/color-image.jpg') no-repeat;
}

#part2 div {
  background-position: -140px 0px;
}

#part3 div {
  background-position: -280px 0px;
}

#part4 div {
  background-position: -420px 0px;
}

#part5 div {
  background-position: -560px 0px;
}

.description {
  position: absolute;
  left: 140px;
  width: 240px;
  height: 460px;
  padding: 20px;
  background: white;
}

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

.description h3 {
  margin-top: 30px;
  padding: 10px;
  font-size: 26px;
  background: #63c3d1;
  text-align: center;
  color: #fff;
  text-shadow: 1px 1px 1px #000;
  border-radius: 5px;
  font-family: 'Lobster', cursive;
}

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

/* BUTTONS-MENU */

#button-menu {
  float: left;
  width: 100%;
  padding: 170px 0 50px 0;
}

#button-menu ul {
  float: left;
  position: relative;
  left: 50%;
  text-align: center;
}

.button {
  float: left;
  width: 150px;
  margin-left: 30px;
  padding: 10px 0;
  position: relative;
  right: 50%;
  text-shadow: 1px 1px 1px black;
  font-family: 'Lobster', cursive;
  color: #fff;
  border-radius: 5px;
  box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.75);
  background: #333;
  border: 2px solid #63c3d1;
  font-size: 22px;
  cursor: pointer;
  opacity: 0.9;
}

.button:hover {
  background: #63c3d1;
  border: 2px solid #333;
  font-size: 24px;
}