/* En-tête constant : blanc, quelle que soit la rubrique. */
html body #app .top,html body[data-page] #app .top,html body[data-rubric] #app .top,html body #app .header,html body .topbar,html body .site-header,html body header{background:#fff!important;background-image:none!important;backdrop-filter:none!important;border-bottom-color:#e5e5e5!important}
html body .sheet>.nav{background:#fff}