@media screen and (max-width: 640px){

/* Général */
body{
    margin: 0;
    padding: 0;
    background-color: #CCE6FB;
}
header{
    background-color: #A7A5F3;
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    grid-gap: 10px;
    grid-auto-rows: minmax(auto, auto);
}

h1{
    text-align: center;
    grid-column: 2/10;
    grid-row: 1;
    font-size: 3.5vh;
    text-align: center;
    font-family: 'Poiret One', cursive;
    padding-right: 20%;
}
.logo{
    width: 100px;
    height: auto;
    grid-column: 9;
    grid-row: 1;
    padding-left: 10%;
    margin-top: 10%;
}

section, .scroll-left{
    overflow: auto;
    width: 75%;
    height: 71vh;
    margin-top: 1%;
}

footer{
    background-color: rgba(255, 255, 255, 0.733);
    width: auto;
    margin: 0px;
    height: 5vh;
    margin-top: 3%;
}
footer > p{
    text-align: center;
    padding-top: 1%;
    font-size: 1.5vh;
    margin: 0;
    font-family: 'Nunito Sans', sans-serif;
}

.scroll-left > p{
    font-size: 1vh;
}

section > p, .scroll-left > p{
    font-family: 'Nunito Sans', sans-serif;
}

/* CONTENU */

section{
    width: 100%;
    height: 60vh;
}

h2, h3{
    text-align: center;
    font-family: 'Special Elite', cursive;
    font-size: 2.5vh;
}

article{
    display: flex;
    flex-flow: wrap column;
    width: 100%;
}
article > aside {
    font-family: 'Nunito Sans', sans-serif;
}

.exemple{
    margin-top: 1%;
    width: 90vw;
    display: grid;
    grid-template-columns: fit-content(70%);
    grid-template-rows: repeat(4, auto);
}
.exemple > img:nth-child(1){
    width: 100%;
    grid-row: 1/3;
    margin-left: 5%;
}

.exemple > img:nth-child(2){
    width: 90%;
    grid-row: 4;
    margin-left: 10%;
}

.exemple > .reduir-img:nth-child(1){
    width: 100%;
    grid-row: 1;
    margin-left: 5%;

}
.exemple > .reduir-img:nth-child(2){
    width: 100%;
    grid-row: 2;
    margin-left: 5%;

}
.exemple > .reduir-img:nth-child(3){
    width: 100%;
    grid-row: 3;
    margin-left: 5%;

}
.exemple > .reduir-img:nth-child(4){
    width: 100%;
    grid-row: 4;
    margin-left: 5%;

}

.text{
    background-color: rgba(0, 140, 255, 0.397);
    padding: 3px;
    padding-left: 5%;
    margin-left: 2%;
    border-radius: 10% 10% 10% 0%;
    font-size: 2vh;
    width: 90%;
}

/* CORPS EXEMPLE ACTIVE */

.exemple > img:nth-child(1):active{
    padding-left: 8%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > img:nth-child(2):active{
    padding-left: 10%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > img:nth-child(3):active{
    padding-left: 7%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > img:nth-child(4):active{
    padding-left: 10%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > .grande-img:nth-child(1):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > .grande-img:nth-child(2):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > .reduir-img:nth-child(1):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > .reduir-img:nth-child(2):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > .reduir-img:nth-child(3):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > .reduir-img:nth-child(4):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > .centre-img:nth-child(1):active{
    padding-left: 15%;
    padding-bottom: 50%;
    transform: scale(1.3);
}
.exemple > .centre-img:nth-child(2):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}

.exemple > .centre-img:nth-child(3):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}
.exemple > .centre-img:nth-child(4):active{
    padding-left: 20%;
    padding-bottom: 50%;
    transform: scale(1.5);
}


/* SCROLL-BAR */

::-webkit-scrollbar {
    width: 10px;
} /* largeur de la barre */

::-webkit-scrollbar-track {
    background-color: transparent;
} /* couleur fond de la barre */

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.432); 
} /* couleur de la barre */

::-webkit-scrollbar-button {
    background-color: black;
    height: 1vh;
} /* couleur des bouton monter et descendre */

/* PARTIE NAV */
nav{
    width: 100%;
    height: 10vh;
    margin: 0px;
    margin-top: 1%;
    background-color: #A7A5F3;
    position: relative;
    top: 0px;
    float: left;
    font-family: 'Julius Sans One', sans-serif;

}

nav ul{
    list-style-type: none;
    padding: 0;
}

nav ul li{
    float: left;
    width: 100%;
    text-align: center;
}

nav ul::after{
    content: "";
    display: table;
    clear: both;
}

nav a{
    display: block;
    text-decoration: none;
    color: #002A74;
    border-bottom: 2px solid transparent;
    padding: 3px 0px;
    font-size: 2.5vh;
}

nav a:hover{
    color: #008BFF;
    border-bottom: 2px solid black;
}

.sous{
    display: none;
    box-shadow: 0px 1px 2px #CCC;
    background-color: #D8D8D8;
}

nav > ul li:hover .sous{
    display: block;
}

.sous li{
    float: none;
    width: 100%;
    text-align: left;
}

.sous a{
    padding: 3px;
    border-bottom: none;
}
.sous a:hover{
    border-bottom: none;
    background-color: #D8D8D8;
}

.deroulant > a::after{
    content: " ▼ ";
    font-size: 1vh;
}

.sous{
    display: none;
    box-shadow: 0px 1px 2px #CCC;
    background-color: white;
    position: absolute;
    width: 100%;
    z-index: 1000;
}

nav ul li{
    float: left;
    width: 100%;
    text-align: center;
    position: relative;
}

/* PARTIE SCROLLING */

.scroll-left {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 68vh;
  }
  
  .scroll-left > div{
    width: 100%;
    height: 100%;
    margin-top: 25%;
    background-image: url(../img/nuage-de-mots.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    float: right;
    opacity: 0.25;
  }
  
    .scroll-left > p {
    background-color: rgba(255, 255, 255, 0);
    border-radius: 100%;
    font-size: 3vh;
    position: absolute;
    width: 100%;
    height: 100%;
    margin: 0;
    padding-top: 40%;
    line-height: 50px;
    text-align: center;
  
      transform:translateX(100%);
  
      animation: scroll-left 20s linear infinite;
    }
  
    @keyframes scroll-left {
      0% { 
      transform: translateX(100%); 
      }
      100% { 
      transform: translateX(-100%); 
      }
    }

}