drupal-reha/web/themes/custom/reha/scss/pages/_proposer-une-operation.scss

#block-reha-contenudelapageprincipale{
    #node-operation-form{
        #edit-field-fiche-candidature-wrapper{
            // background-color: rgba(153, 147, 174, 0) !important;
            // border: none;
            width: fit-content;
        }
        #edit-field-dossier-de-candidature-wrapper{
            // background-color: rgba(153, 147, 174, 0) !important;
            // border: none;
            width: 40%;
        }
    }
}