/*Reset CSS*/
* {
    margin: 0px;
    padding: 0px;
    font-family: Avenir, sans-serif;


}

nav {
    width: 100%;
    margin: auto;
    background-color: #333;
    position: sticky;
    top: 0px;
}

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

nav ul li {
    float: left;
    width: 20%;
    text-align: center;
    position: relative;
    
}

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

nav a {
    display: block;
    text-decoration: none;
    color: black;
    border-bottom: 2px solid transparent;
    padding: 14px 16px;
    color: skyblue;
}

nav a:hover {

    color: aquamarine;
    border-bottom: 2px solid #333;
}

.sous {
    display: none;
    box-shadow: 0px 1px 2px black;
    background-color: b;
    position: absolute;
    width: 100%;
    z-index: 1000;
    /* Change the link color on hover */
    background-color: #333;
}

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

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

.sous a {
    padding: 10px;
    border-bottom: none;
}

.sous a:hover {
    border-bottom: none;
    background-color: #333;
}

.deroulant>a::after {
    content: " ▼";
    font-size: 12px;
}

.conteneur {
    margin: 50px 20px;
    height: 1500px;
}

body {
    background-image: url("img/fondsecourpopnet.png");
    margin: 0px;
    padding: 0px;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    width: 100%;