*, ::before, ::after{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body{
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(rgb(43, 152, 255), rgb(170, 221, 255));
    background-size: cover;
    background-repeat: no-repeat;
    height: 290vh;
}

.container-grille{
  height: 12vh;
  width: 100%;
  display: grid;
  grid-template-columns: 100px 1fr 380px;
  background-color: #011439;
}

.tab2{
    height: 20vh;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.logo-site{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 20vh;
  grid-column: 2;
  }
  
.logo{
    width: 70px;
}

.sidenav {
    height: 100%;
    width: 250px;
    position: fixed;
    z-index: 50;
    top: 0;
    left: -250px;
    background-color: rgb(214, 214, 214);
    padding-top: 60px;
    transition: left 0.5s ease;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 18px;
    color: black;
    display: block;
    transition: 0.3s;
  }
  
.sidenav a:hover {
    color: red;
  }
  
.sidenav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
  }
  
  /* Active class */
  .sidenav.active {
    left: 0;
  }
  
  /* Close btn */
  .sidenav .close {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
  }
  
  /* Icône burger */
  .burger-icon span {
    display: block;
    width: 35px;
    height: 3px;
    background-color: white;
    border-radius: 10px;
    margin: 6px;
  }

  .elections{
    width: 110px;
    height: 40px;
    background-color: #f87171;
    color: white;
    font-size: x-large;
    border: none;
    border-radius: 10px;
  }
  
.position-menu{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 12vh;
}

.rechercher{
  grid-column: 3;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 380px;
  }
  
  #search{
    display: block;
    border-radius: 50px;
    border: 1px solid black;
    border: none;
    width: 300px;
    height: 40px;
    padding: 10px;
  }

.tab3{
    display: grid;
    height: 10vh;
    width: 100%;
    grid-template-columns: repeat(1, 1fr);
}

#texte-page{
  color: #011439;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 10vh;
  text-align: center;
}

.tab4, .tab6{
    display: grid;
    height: 10vh;
    width: 100%;
    grid-template-columns: repeat(1, 1fr);
    background-color: #a0a0a0;
}

.titre-tab{
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: xx-large;
}

.tab5, .tab7{
    display: grid;
    height: 70vh;
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 60vh 10vh;
    background-color: #a0a0a0;
}

.description{
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 10px;
}

.position-sndfo{
    display: flex;
    align-items: center;
    justify-content: center;
}

#SND-FO, #SNCD-FO{
    width: 300px;
    filter : brightness(62.5%);
    border-radius: 50%;
}

.position-boutton{
    display: flex;
    align-items: center;
    justify-content: center;
}

.position-boutton1{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 10px;
}

.boutton{
    background-color: #011439;
    color: white;
    width: 180px;
    height: 40px;
    border-radius: 10px;
    border: none;
    font-size: medium;
}

.tab8{
    height: 45vh;
    width: 100%;
    grid-template-columns: repeat(5, 1fr);
    display: grid;
    align-items: center;
    justify-content: center;
    background-color: #011439;
    bottom: -190%;
    position: absolute;
  }
  
  .position-douanes{
    justify-content: center;
    align-items: center;
    display: flex;
  }
  
  #info-snd{
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    font-size: large;
  }
  
  #info{
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    font-size: large;
  }
  
  #info-sncd{
    font-family: Arial, Helvetica, sans-serif;
    color: white;
    font-size: large;
    white-space: nowrap;
  }
  
  .reseau-sociaux{
    justify-content: space-between;
    margin: 20%;
    align-items: center;
    display: flex;
  }
  
  #instagram, #facebook, #twitter, #mail{
    display: block;
    border-radius: 5px;
    width: 30px;
}

h4{
  color: #2EFF00;
  text-align: center;
}

@media(max-width: 1100px){
    .description{
        font-size: small;
    }
}

@media(max-width: 651px){
    #SND-FO, #SNCD-FO{
        width: 200px;
    }
    .tab5, .tab7{
        height: 100vh;
        width: 100%;
        grid-template-rows: repeat(4, 1fr);
        grid-template-columns: repeat(1, 1fr);
    }

    body{
        height: 235vh;
    }

    .tab8{
        position: absolute;
        bottom: -220%;
    }
}

@media(max-width: 536px){
    .tab5, .tab7{
        height: 180vh;
    }
    body{
        height: 300vh;
    }

    .tab8{
        position: absolute;
        bottom: -290%;
    }
}

@media(max-width:318px){
    .tab5, .tab7{
        height: 200vh;
    }
}
  
@media(max-width: 457px){
    .container-grille{
        grid-template-columns: 100px 1fr 220px;
    }
    #search{
        width: 200px;
    }
    .rechercher{
        width: 200px;
    }
}

@media(max-width:315px){
    #search{
      width: 150px;
    }
    .rechercher{
      width: 150px;
      }
      .container-grille{
        grid-template-columns: 100px 1fr 180px;
    }
    .titre-tab{
        font-size: large;
    }
}

@media screen and (max-width: 1000px){
    .tab8{
      grid-template-columns: repeat(3, 1fr);
      display: grid;
      align-items: center;
      justify-content: center;
    }
  
    .reseau-sociaux{
      grid-column: 3;
    }
    #info-sncd{
      grid-row: 2;
      grid-column: 2;
      font-size: small;
    }
    .position-douanes{
      grid-row: 2;
    }
    #info{
      grid-row: 1;
      grid-column: 3;
      font-size: small;
    }
    #info-snd{
      grid-row: 1;
      grid-column: 2;
      font-size: small;
    }
    .reseau-sociaux{
      margin: 10%;
      align-items: center;
      display: flex;
    }
    h4{
      grid-column: 1;
      grid-row: 1;
      text-align: center;
    }
  }
  
  @media screen and (max-width: 512px){
    .reseau-sociaux{
      grid-row: 2;
      grid-column: 1;
      display: list-item;
      display: grid;
      align-items: center;
      justify-content: center;
    }
    .douanes{
      width: 50px;
    }
    .position-douanes{
      grid-row: 1;
      grid-column: 1;
    }
    h4{
      grid-column: 3;
      grid-row: 2;
      font-size: small;
    }
}

@media(max-width:285px){
    .tab8{
       height: 50vh;
      }
}

@media(min-height:517px){
    .tab5, .tab7{
        height: 120vh;
    }
    .tab8{
        position: absolute;
        bottom: -290%;
    }
    body{
        height: 350vh;
    }
}

@media(max-width: 384px){
  .boutton{
    width: 125px;
    font-size: small;
  }
  #instagram, #twitter, #facebook, #mail{
    width: 20px;
  }
}