body
{
font-family: "Gill Sans", sans-serif;
}

h1
{
    font-size : 20px;
}

p
{
 font-size : 18px;
 padding-top:10px;
}

.banniere
{
    background-color: #000;
    height: 200px;
    color: #FFF;
    
}

nav
{
    position: sticky;
    top: 0px;
}

ul
{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
background-color: #444;
}

* {
  box-sizing: border-box;
  margin: 0 0;
}

.pochette {
    width: 100%;
    /* height: 150px; */
    object-fit: cover;
    object-position: center;
}

.btn
{
    /* Bouton https://www.outils-web.com/page-generateur-CSS-bouton.asp */
    text-decoration: none;
    padding: 10px;
    font-size: 18px;
    font-family: "Gill Sans", sans-serif;
    color: #000000;
    background-color: #ffffff;
    border-radius: 6px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border: 1px solid #e0e0e0;
}

.btn:hover
{
    padding: 10px;
    background-color: #eae8e8;
    border: 1px solid #c6c5c5;
}

.police
{
    font-family: "Gill Sans", sans-serif;
}


.flex-container {
  display: flex;
  flex-wrap: wrap;
  font-size: 30px;
  margin: 0 10%;
}

.flex-item-left {
  padding: 50px;
  flex: 50%;
}

.flex-item-right {
  /* background-color: dodgerblue; */
  padding: 50px;
  flex: 50%;
}

.flex-item-down {
  /* background-color: gray; */
  padding: 10px;
  flex: 100%;
}
.center-block{
    display: block;
    margin-right: auto;
    margin-left: auto;
}
.img-responsive
{
    max-width: 100%;
    height: auto;
    padding:20px;
}

.degrade
{
background: linear-gradient(white, #f5f5f5);
border-bottom: 1px solid #e0e0e0;
}


/* Responsive layout - makes a one column-layout instead of a two-column layout */
@media (max-width: 800px) {
  .flex-item-right, .flex-item-left {
    flex: 100%;
  }
}