diff --git a/config/sync/block.block.leshed_selecteurdelangue.yml b/config/sync/block.block.leshed_selecteurdelangue.yml
new file mode 100644
index 0000000..b35f925
--- /dev/null
+++ b/config/sync/block.block.leshed_selecteurdelangue.yml
@@ -0,0 +1,20 @@
+uuid: d2e39686-e4ae-46ee-ab94-81edb6da2e16
+langcode: fr
+status: true
+dependencies:
+  module:
+    - language
+  theme:
+    - leshed
+id: leshed_selecteurdelangue
+theme: leshed
+region: header_right
+weight: 0
+provider: null
+plugin: 'language_block:language_interface'
+settings:
+  id: 'language_block:language_interface'
+  label: 'Sélecteur de langue'
+  label_display: '0'
+  provider: language
+visibility: {  }
diff --git a/config/sync/language.entity.en.yml b/config/sync/language.entity.en.yml
new file mode 100644
index 0000000..c2a4598
--- /dev/null
+++ b/config/sync/language.entity.en.yml
@@ -0,0 +1,9 @@
+uuid: ab111706-74d5-452b-994f-053c2d6219d4
+langcode: fr
+status: true
+dependencies: {  }
+id: en
+label: English
+direction: ltr
+weight: 1
+locked: false
diff --git a/config/sync/language.negotiation.yml b/config/sync/language.negotiation.yml
index 69ac68a..201bb75 100644
--- a/config/sync/language.negotiation.yml
+++ b/config/sync/language.negotiation.yml
@@ -7,6 +7,8 @@ url:
   source: path_prefix
   prefixes:
     fr: ''
+    en: en
   domains:
     fr: ''
+    en: ''
 selected_langcode: site_default
diff --git a/config/sync/language/en/language.entity.en.yml b/config/sync/language/en/language.entity.en.yml
new file mode 100644
index 0000000..16ee5a6
--- /dev/null
+++ b/config/sync/language/en/language.entity.en.yml
@@ -0,0 +1 @@
+label: English
diff --git a/config/sync/language/en/page_manager.page.node_view.yml b/config/sync/language/en/page_manager.page.node_view.yml
new file mode 100644
index 0000000..be61a74
--- /dev/null
+++ b/config/sync/language/en/page_manager.page.node_view.yml
@@ -0,0 +1,5 @@
+label: 'Node view'
+description: 'When enabled, this overrides the default Drupal behavior for displaying nodes at <em>/node/{node}</em>. If you add variants, you may use selection criteria such as node type or language or user access to provide different views of nodes. If no variant is selected, the default Drupal node view will be used. This page only affects nodes viewed as pages, it will not affect nodes viewed in lists or at other locations.'
+parameters:
+  node:
+    label: Node
diff --git a/config/sync/language/en/system.action.redirect_delete_action.yml b/config/sync/language/en/system.action.redirect_delete_action.yml
new file mode 100644
index 0000000..6cea405
--- /dev/null
+++ b/config/sync/language/en/system.action.redirect_delete_action.yml
@@ -0,0 +1 @@
+label: 'Delete redirect'
diff --git a/config/sync/language/en/views.view.redirect.yml b/config/sync/language/en/views.view.redirect.yml
new file mode 100644
index 0000000..4b84cc7
--- /dev/null
+++ b/config/sync/language/en/views.view.redirect.yml
@@ -0,0 +1,71 @@
+label: Redirect
+description: 'List of redirects'
+display:
+  default:
+    display_title: Master
+    display_options:
+      exposed_form:
+        options:
+          submit_button: Filter
+          reset_button_label: Reset
+          exposed_sorts_label: 'Sort by'
+          sort_asc_label: Asc
+          sort_desc_label: Desc
+      pager:
+        options:
+          tags:
+            previous: '‹ previous'
+            next: 'next ›'
+            first: '« first'
+            last: 'last »'
+          expose:
+            items_per_page_label: 'Items per page'
+            items_per_page_options_all_label: '- All -'
+            offset_label: Offset
+      fields:
+        redirect_bulk_form:
+          action_title: 'With selection'
+        redirect_source__path:
+          label: From
+          separator: ', '
+        enabled:
+          label: Enabled
+          separator: ', '
+        created:
+          label: Created
+      filters:
+        redirect_source__path:
+          expose:
+            label: From
+        redirect_redirect__uri:
+          expose:
+            label: To
+        status_code:
+          expose:
+            label: 'Status code'
+          group_info:
+            label: 'Status code'
+            group_items:
+              1:
+                title: '300 Multiple Choices'
+              2:
+                title: '301 Moved Permanently'
+              3:
+                title: '302 Found'
+              4:
+                title: '303 See Other'
+              5:
+                title: '304 Not Modified'
+              6:
+                title: '305 Use Proxy'
+              7:
+                title: '307 Temporary Redirect'
+        language:
+          expose:
+            label: 'Original language'
+      title: Redirect
+      empty:
+        area_text_custom:
+          content: 'There is no redirect yet.'
+  page_1:
+    display_title: Page
diff --git a/config/sync/structure_sync.data.yml b/config/sync/structure_sync.data.yml
index 9ad113e..48f30a7 100644
--- a/config/sync/structure_sync.data.yml
+++ b/config/sync/structure_sync.data.yml
@@ -8,7 +8,20 @@ menus:
     description: null
     enabled: true
     expanded: false
-    weight: 0
+    weight: -50
     langcode: fr
     uuid: 75910d9e-f8a0-4dbd-930f-e37fb47de597
     options: {  }
+  -
+    menu_name: main
+    title: 'À propos'
+    parent: null
+    uri: 'entity:node/605'
+    link_title: ''
+    description: null
+    enabled: true
+    expanded: false
+    weight: -49
+    langcode: fr
+    uuid: 4077ca97-8030-4b12-a10a-f1ddd903c720
+    options: {  }
diff --git a/config/sync/views.view.archives.yml b/config/sync/views.view.archives.yml
index 4647467..629c9f0 100644
--- a/config/sync/views.view.archives.yml
+++ b/config/sync/views.view.archives.yml
@@ -170,7 +170,7 @@ display:
       path: archives
       menu:
         type: normal
-        title: archives
+        title: Archives
         description: ''
         weight: -48
         expanded: false
diff --git a/web/themes/custom/leshed/assets/scss/main.scss b/web/themes/custom/leshed/assets/scss/main.scss
index deea0b5..534f524 100644
--- a/web/themes/custom/leshed/assets/scss/main.scss
+++ b/web/themes/custom/leshed/assets/scss/main.scss
@@ -43,7 +43,7 @@ div.layout-container{
   flex-direction: column;
   height: 100vh;
   overflow: hidden;
-  max-width:1080px;
+  max-width:$layout_width;
   margin: 0 auto;
   header[role="banner"]{
     display: block;
@@ -146,39 +146,65 @@ header[role="banner"]{
 
 
     &>div.wrapper{
-      position:absolute;
-      top:$header_height; left:0;
-      // z-index: 99;
-      background-color: rgba(0,0,0,0.75);
-
+      // fixed (et non absolute) pour échapper à l'overflow:hidden de
+      // .layout-container : sinon le débord pleine largeur (et donc le
+      // backdrop-filter) est rogné aux bords du conteneur centré.
+      position:fixed;
+      top:$header_height;
+      left: 0;
       width:100vw;
+      padding: 0 calc((100vw - $layout_width) / 2) 0 calc((100vw - $layout_width) / 2);
+
+      background-color: rgba(255,255,255,0.3);
+      backdrop-filter: blur(7px);
+
       height: 0;
       overflow: hidden;
       transition-duration: 0.5s;
       &[opened]{
         height: calc(100vh - $header_height);
       }
-      &>nav{
+      nav#block-leshed-navigationprincipale{
+        // width: $layout_width;
+        // margin: 0 auto;
         padding-top: 10px;
-        background-color: #fff;
+        // background-color: #fff;
         >ul{
           margin: 0;
+          padding:0;
+          li{
+            list-style: none;
+            a{
+              font-size: 4em;
+              font-weight: 200;
+              filter: drop-shadow(0 0 2px #fff) drop-shadow(0 0 5px #fff) drop-shadow(0 0 15px #fff);
+            }
+          }
         }
       }
-
-      nav#block-mathallo-navigationprincipale{
-        padding: 2em 1em;
+      div#block-leshed-selecteurdelangue{
         ul{
-          display: flex;
-          justify-content: flex-end;
-          list-style: none;
+          margin:0;
+          padding:0;
           li{
-            margin-right: 1em;
-            // background-color: $bleu_site;
-            color: #fff;
-            padding:0.5em 1em;
-            &:not(:last-child){
+            list-style: none;
+            padding:0;
+            display: inline-block;
+            font-size: 2em;
+            &:first-child{
+              &:after{
+                content: " /";
+                font-weight: 200;
+              }
             }
+            &:last-child{
+              padding-left: 0.3em;
+
+            }
+            &.is-active{
+              font-weight: 400;
+            }
+
           }
         }
       }
diff --git a/web/themes/custom/leshed/assets/scss/partials/variables.scss b/web/themes/custom/leshed/assets/scss/partials/variables.scss
index dbfb214..70b074e 100644
--- a/web/themes/custom/leshed/assets/scss/partials/variables.scss
+++ b/web/themes/custom/leshed/assets/scss/partials/variables.scss
@@ -1,3 +1,4 @@
+$layout_width: 1080px;
 $default_fwght: 200;
 $header_height: 70px;
 $colsgap: 2em;
diff --git a/web/themes/custom/leshed/leshed.theme b/web/themes/custom/leshed/leshed.theme
index 391564a..f0a493c 100644
--- a/web/themes/custom/leshed/leshed.theme
+++ b/web/themes/custom/leshed/leshed.theme
@@ -112,3 +112,10 @@ function leshed_preprocess_field(&$variables) {
   }
   $variables['attributes']['class'][] = $variables['field_name'];
 }
+
+function leshed_preprocess_links__language_block(&$variables){
+  foreach ($variables['links'] as $langcode => $link) {
+    $variables['links'][$langcode]['text'] = $langcode;
+    $variables['links'][$langcode]['link']['#title'] = $langcode;
+  }
+}