/* GLOBAL STYLES */

* {
	margin: 0px;
    padding: 0px;
    font-family: arial, helvetica, sans-serif;
   /* box-sizing: border-box; */
 }
 
 body {
    font-family: arial, helvetica, sans-serif;
    margin-top: 100px;margin-left: 50px;margin-right: 50px;
 }
nav{
    width: 100%;
    margin: 0 auto;
    background-color: #474747;background-image:url("mainbk.png");
    position: sticky; 
    /*position: relative;*/
    top: 0px;
}

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

nav ul li{
    flex: 1 1 auto;
    text-align: center;
    position: relative;
}

nav a{
    display: block;
    text-decoration: none;font-size:25px;font-weight: bold;
    color: white;text-shadow:black 0 0 1px;
    /*border-bottom: 0px solid transparent;*/
    padding: 15px 0px;
}

nav a:hover{
    color: black;text-shadow:#FFF 0 0 5px;
    /*border-bottom: 0px solid gold;*/
}

.sous{
    display: none;
   /* box-shadow: 0px 1px 2px #CCC; */
    background-color: #474747;
    position: absolute;
    width: 100%;
    z-index: 1000;
}
nav > ul li:hover .sous{
    display: flex;
    flex-flow: column wrap;
}
.sous li{
    flex: 1 1 auto;
    text-align: left;
}
.sous a{
    padding: 10px;
    border-bottom: none;
}
.sous a:hover{
    border-bottom: none;
    background-color: RGBa(600,600,600,0.3);
}
.deroulant > a::after{
    content:" ▼";
    font-size: 12px;
}

.conteneur{
  margin: 50px 20px;
  height: 30px;
}