#biplace_tableau {
    width: 90%;
    border-collapse: collapse;
    font-family: Arial, sans-serif;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}
#biplace_tableau th, #biplace_tableau td {
    padding: 12px;
    text-align: left;
}
#biplace_tableau th {
    background-color: #4CAF50;
    color: white;
    font-weight: 600;
}
#biplace_tableau tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}
#biplace_tableau tbody tr:hover {
    background-color: #e2f0d9;
}
#biplace_tableau select {
    padding: 4px 6px;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: #fff;
}
#biplace_annee_filtre {
    padding: 6px 10px;
    margin-left: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
}
.biplace-chart-container {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}
.biplace-chart-container div {
    text-align: center;
}