body{
    background-image: url(../images/ciel-etoile.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    margin: 0 auto;
    font-family: sans-serif; /* 'Source Sans Pro', 'Segoe UI', 'Helvetica Neue', Roboto, Arial, sans-serif */
    width: 1080px;
}

main {
    display: flex;
    flex-direction: column;
}
 
.slide {
    text-decoration: none;
    flex: 1;
    transition: .4s ease-in-out;
    transform: skewX(-5deg);
    overflow: hidden;
    display: flex;
}
 
.-left {
    margin-left: -3em; /* pourquoi "-3em" ? */
}

.-right {
    margin-right: -3em; /* pourquoi "-3em" ? */
}
.slide:hover,
.slide:focus {
    flex: 2;
}
 
.slide-content {
    transform: skewX(5deg);
    padding: 200px 50px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 33.3% 33.3% 33.3%;
    margin: 0 -3em;
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column-reverse;
}

.slide-content h1{
    padding: 0 10px;
}
.slide-content p {
    color: white;
    max-width: 300px;
    text-align: center;
    -webkit-text-stroke: 1px;
    padding: 10px 0;
    -webkit-text-stroke-color: black;
    font-weight: 600;
    font-size: larger;
}
 
.-left .slide-content {
    background-image: url("../images/death_star.jpg");
}

.-center .slide-content {
    background-image: url("../images/apple.jpg");
}
 
.-right .slide-content {
    background-image: url("../images/eisendrache.jpg");
}
 
.slide-title {
    margin: 0;
    color: white;
    font-weight: bold;
    text-align: center;
    text-shadow: 0 0 10px black;
    padding: 10px 0;
}
img {
    position: sticky;
    width: 184px;
}

.qui_sommes_nous{
    background-color: white;
    color: black;
    backdrop-filter: blur(5px);
    margin: 30px 40px;
    border-radius: 10px;
    padding: 20px;
}

.qui_sommes_nous h1{
    padding: 30px 0;
}

.liens{
    padding: 30px 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: column;
}

.liens iframe {
    width: 500px; 
    height: 500px;

}

.liens a{
    text-decoration: none;
    color: rgb(0, 0, 0);
    font-weight: bold;
    font-size: 20px;
}




  


  nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 10px 20px;
    background-color: #f2f2f2;
    opacity: 100%;
    box-shadow: 0px 3px 10px #333333;
    position: fixed;
    top: 0;
    width: 1080px;
    z-index: 999;
  
  }


  nav ul {
    list-style: none;
    display: flex;
  }
  nav ul li {
    margin-left: 20px;
  }
  nav ul li a {
    color: black;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
    position: relative;
  }
  nav ul li a::before {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: #ffffff;
    transition: width 0.3s ease-in-out;
  }
  nav ul li a:hover {
    color: #007AFF;
  }
  nav ul li a:hover::before {
    width: 100%;
  }
  nav img {
    height: 75px;
    width: auto;
      position: absolute;
      top: -1px;
      left: 46px;
  }
  .actif {
    color: #007AFF;
  }
  
  /* FOOTER */
  footer {
    margin-top: auto;
    background-color: #f2f2f2;
    color: #333333;
    font-family: 'Helvetica Neue', sans-serif;
    width: 100%;
    position: relative;
    bottom: 0;
  }
  .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .mille {
    width: 1080px;
  margin: 0 auto;
  }