p{
	color: black;
}

li{
	color: black;
}

a
{
text-decoration: none;
color: blue;
}

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

table{
  border-collapse: collapse
}

td{
  border: 1px solid black;
  padding: 10px;
}

nav{
    width: 100%;
    margin: 0 auto;
    background-color: white;
    position: sticky;
    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;
    color: black;
    border-bottom: 2px solid transparent;
    padding: 10px 0px;
}
nav a:visited{
    color:black;
}

nav a:hover{
    color: orange;
    border-bottom: 2px solid gold;
}

.sous{
    display: none;
    box-shadow: 0px 1px 2px #CCC;
    background-color: white;
    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(200,200,200,0.1);
}
.deroulant > a::after{
    content:" ▼";
    font-size: 12px;
}

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

 html {
  background-color: #EAFEF0;
}