.navigation{
        overflow:hidden;
        text-align: center;
        list-style: none;
        margin-bottom:1em;
        margin-top:1em;
        box-sizing: border-box;
        border: solid #EFF1E6;
        background-color: #D2D2C8;
        border-radius: 0.8rem;
    }
    .navigation li{
        float:left;
        padding: 10px;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    .navigation img{
        margin-top: 3px;
    }
    .navigation a{
        text-decoration: none;
        display:block;
        color:black;
    }
    a:hover {
                color : rgb(73, 72, 72);
            }
    body{
        background-color: #F8F5EC;
    }
    .box_ressource{
        margin-left: 80px;
        margin-right:80px ;
        padding-left: 25px;
        padding-right: 20px;
        padding-top: 3px;
        background-color: #DCD6CA;
        border-radius: 0.5rem; 
    }
    body{
        background-color: #F8F5EC;
    }
    video {
      width: 100%;
      max-width: 800px;
      display: block;
      margin: 0 auto;
    }
    .video_doc {
    text-align: center;
    margin: 0;
    padding: 20px;
}

.video_doc video {
    max-width: 60%;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.video_doc figcaption {
    margin-top: 10px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.9em;
    color: #555;
    font-style: italic;
}