.CRUDContenaire {
    border-radius: 5px;
    background-color: var(--NeutralColor);
    padding: 20px;
    margin: 25px
}

.CRUDContenaire button {
    width: 20%;
    margin-left: auto;
    margin-right: auto;
}
    .CRUDContenaire select {
        width: 50%;
        font-weight: bold;
        padding: 12px 5px;
        margin: 8px 0;
        border: 1px solid #ccc;
        border-radius: 5px;
        box-sizing: border-box;
        margin-bottom: 20px;
        background: rgba(0,0,0,0.10);
        box-sizing: border-box;
        color: var(--SecondaryColor);
    }