*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
  }

  .header{
    width: 100%;
    height: 70px;   /*épaisseur de l'entête*/
    display: block;
    background-color: black;
  }

  .in_header{
    width: 800px;
    height: 100%;
    color: white;
    display: block;
    margin: 0 auto;
    background-color: black;
  }

  .titre{
    height: 50%;
    display: table;
    float: left;
  }

  .titre h1{
    color: white;
    height: 80%;
    display: table-cell;
    vertical-align: middle;
    font-family: 'Noto Serif Display';
    font-size: 40px;
  }

.navbar {
  background-color: #333;
  overflow: hidden;
}

/* réglage de la navbar */
.navbar a{
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 20px 30px;
  text-decoration: none;
  font-size: 17px;
}
.navbar-gauche {
  float: left;
}
.navbar-droite {
  float: right;
}

/* couleur du de la nav bar */
.navbar a:hover {
  background-color: #ddd;
  color: black;
}

/*couleur onglet actif*/
.navbar a.active {
  background-color: #E5AD3E;
  color: white;
}

footer{
  font-size: 16px;
}

.footer-dark {
  padding:50px 0;
  color:#f0f9ff;
  background-color:#282d32;
}

.footer-dark h3 {
  margin-top:0;
  margin-bottom:12px;
  font-weight:bold;
  font-size:16px;
}

.footer-dark ul {
  padding:0;
  list-style:none;
  line-height:1.6;
  font-size:14px;
  margin-bottom:0;
}

.footer-dark ul a {
  color:inherit;
  text-decoration:none;
  opacity:0.6;
}

.footer-dark ul a:hover {
  opacity:0.8;
}

@media (max-width:767px) {
  .footer-dark .item:not(.social) {
    text-align:center;
    padding-bottom:20px;
  }
}

.footer-dark .item.text {
  margin-bottom:36px;
}

@media (max-width:767px) {
  .footer-dark .item.text {
    margin-bottom:0;
  }
}

.footer-dark .item.text p {
  opacity:0.6;
  margin-bottom:0;
}

.footer-dark .item.social {
  text-align:center;
}

@media (max-width:991px) {
  .footer-dark .item.social {
    text-align:center;
    margin-top:20px;
  }
}

.footer-dark .item.social > a {
  font-size:25px;
  width:33px;
  height:30px;
  line-height:36px;
  display:inline-block;
  text-align:center;
  border-radius:50%;
  box-shadow:0 0 0 1px rgba(255,255,255,0.4);
  margin:0 8px;
  color:#fff;
  opacity:0.75;
}

.footer-dark .item.social > a:hover {
  opacity:0.9;
}

.footer-dark .copyright {
  text-align:center;
  padding-top:24px;
  opacity:0.3;
  font-size:13px;
  margin-bottom:0;
}