diff --git a/admin/index.go b/admin/index.go
index cacb7b98..d1efd3fb 100644
--- a/admin/index.go
+++ b/admin/index.go
@@ -19,8 +19,8 @@ const indextpl = `<!DOCTYPE html>
     <base href="{{.urlbase}}">
     <script src="/js/d3.v3.min.js"></script>
   </head>
-  <body>
-    <nav class="navbar sticky-top navbar-expand-lg navbar-light bg-light" style="margin-bottom: 5px;">
+  <body class="bg-light text-dark">
+    <nav class="navbar sticky-top navbar-expand-lg navbar-dark bg-dark text-light" style="margin-bottom: 5px;">
       <a class="navbar-brand" href="{{.urlbase}}">
 	<img alt="FIC" src="{{.urlbase}}img/fic.png" style="height: 30px">
       </a>
diff --git a/admin/static/index.html b/admin/static/index.html
index 4e101efc..391af203 100644
--- a/admin/static/index.html
+++ b/admin/static/index.html
@@ -17,8 +17,8 @@
     <base href="/">
     <script src="/js/d3.v3.min.js"></script>
   </head>
-  <body>
-    <nav class="navbar sticky-top navbar-expand-lg navbar-light bg-light" style="margin-bottom: 5px;">
+  <body class="bg-light text-dark">
+    <nav class="navbar sticky-top navbar-expand-lg navbar-dark bg-dark text-light" style="margin-bottom: 5px;">
       <a class="navbar-brand" href="/">
 	<img alt="FIC" src="/img/fic.png" style="height: 30px">
       </a>
diff --git a/admin/static/views/home.html b/admin/static/views/home.html
index f1fba03d..dfbf4321 100644
--- a/admin/static/views/home.html
+++ b/admin/static/views/home.html
@@ -1,4 +1,4 @@
-<div class="jumbotron text-light bg-primary">
+<div class="jumbotron text-light bg-dark">
   <h1 class="display-4">Interface d'administration du challenge</h1>
   <p class="lead">
     Sélectionnez une action dans le menu ci-dessus.
diff --git a/admin/static/views/settings.html b/admin/static/views/settings.html
index 9f5035e9..eaf0643a 100644
--- a/admin/static/views/settings.html
+++ b/admin/static/views/settings.html
@@ -1,4 +1,4 @@
-<div class="jumbotron text-light bg-primary">
+<div class="jumbotron text-light bg-dark">
   <h2>Paramètres<button ng-click="regenerate()" class="float-right btn btn-info" type="button"><span class="glyphicon glyphicon-refresh" aria-hidden="true"></span> Regénérer les fichiers statiques</a></h2>
   <hr>
 
