.tableau{
    border-collapse: collapse;
    min-width: 0px;
    width: auto;
    box-shadow: 0 5px 50px rgba(0,0,0,0.15);
    border: 2px solid midnightblue;
    font-size: 14px;
}
thead tr {
    background-color: midnightblue;
    color: #fff;

}

th, td {
    padding: 8px 6px;

}

tbody tr, td, th {
    border: 1px solid #ddd;

}

#body_div {
    height: fit-content;
    margin: 10px;
    padding: 10px; 
    border-radius: 10px;  
    background-color: beige;
}

tbody tr:nth-child(even){
    background-color: #f3f3f3;

}

.name_r{
    padding: 10px;
    text-align: center;
    vertical-align: top;
    margin: 5px;
    background-color: #699edb;
    border-radius: 10px;
    border-color: black;
    border: solid;
}

.cen{
    text-align: center;
    font-size: 20px;
    margin-bottom: 30px;
}

#Rien{
    text-align: center; 
    font-size: 20px;
    color: red;
    padding-top: 40px;
}

#info{
    padding-bottom: 25px;
    padding-left: 20px;
}

details > summary {
    list-style: none;
}
  
details > summary::marker, /* Latest Chrome, Edge, Firefox */ 
details > summary::-webkit-details-marker /* Safari */ {
    display: none;
}



.tree-nav__item[open] > .tree-nav__item-title::after {
    font-family: "ionicons";
    transform: rotate(90deg);
}
.tree-nav__item > .tree-nav__item-title::after {
    position: absolute;
    will-change: transform;
    transition: transform 300ms ease;
    font-family: "ionicons";
    color: #fff;
    content: "\27A4";
    right: 15%;
    display: inline-block;
    text-align: center;
    transform : translateY(-3px)
}

.tree-nav__item-title {
    cursor: pointer;
}