body { background-color:#EEEEEE; } h1 { background: #55f; padding: 5px 10px; border-radius: 10px; color: #ffc0b0; text-align: center; } #warnings { background: #ff8060; } input[type="text"] { max-width: 20vw; } #sectioncourbe { display: none; } #sectionexport { display: none; } #export { width: 25em; height: 20em; display:none; } #courbe_warnings { display: none; } #courbe_erreurs { display: none; } #import_donnees, #pref_graphique{ display: none; } .bouton { text-decoration: underline; } .bouton:hover { cursor:pointer; }