.rwmb-field.missing_value {
    border:0.2rem dashed var(--bs-warning);
    padding: 0.3rem;
    position:relative;
    transition: all 0.3s ease-in-out;
}

.rwmb-field.missing_value::after{
    content: "Données manquantes";
    display: block;
    position: absolute;
    top: -1.4rem;
    right:-0.2rem;
    width:fit-content;
    background: var(--bs-warning);
    padding: 0.1rem 0.3rem;
    border-top-right-radius: 3px;
    border-bottom-left-radius: 3px;
    font-size: 0.8rem;
    transition: all 0.3s ease-in-out;
}