début du thème, footer et header en mobile

web/themes/erabletheme/templates/block--menu-block--header.html.twig

@@ -0,0 +1,42 @@
+{#
+/**
+ * @file
+ * Default theme implementation to display a block.
+ *
+ * Available variables:
+ * - plugin_id: The ID of the block implementation.
+ * - label: The configured label of the block if visible.
+ * - configuration: A list of the block's configuration values.
+ *   - label: The configured label for the block.
+ *   - label_display: The display settings for the label.
+ *   - provider: The module or other provider that provided this block plugin.
+ *   - Block plugin specific settings will also be stored here.
+ * - in_preview: Whether the plugin is being rendered in preview mode.
+ * - content: The content of this block.
+ * - attributes: array of HTML attributes populated by modules, intended to
+ *   be added to the main container tag of this template.
+ *   - id: A valid HTML ID and guaranteed unique.
+ * - title_attributes: Same as attributes, except applied to the main title
+ *   tag that appears in the template.
+ * - title_prefix: Additional output populated by modules, intended to be
+ *   displayed in front of the main title tag that appears in the template.
+ * - title_suffix: Additional output populated by modules, intended to be
+ *   displayed after the main title tag that appears in the template.
+ *
+ * @see template_preprocess_block()
+ *
+ * @ingroup themeable
+ */
+#}
+<div{{ attributes }}>
+  {{ title_prefix }}
+  {% if label %}
+  <div id="hamburger">
+    <h2{{ title_attributes }}>{{ label }}</h2>
+  </div>
+  {% endif %}
+  {{ title_suffix }}
+  {% block content %}
+    {{ content }}
+  {% endblock %}
+</div>

web/themes/erabletheme/templates/page/page.html.twig

@@ -89,8 +89,10 @@
     <section id="footer_top">{{ page.footer_top }}</section>
     <section id="footer_middle">
       <section id="footer_left">{{ page.footer_left }}</section>
-      <section id="footer_center">{{ page.footer_center }}</section>
-      <section id="footer_right">{{ page.footer_right }}</section>
+      <div id="footer_section">
+        <section id="footer_center">{{ page.footer_center }}</section>
+        <section id="footer_right">{{ page.footer_right }}</section>
+      </div>
     </section>
     <section id="footer_bottom">{{ page.bottom }}</section>
     

web/themes/erabletheme/templates/region--header.html.twig

@@ -0,0 +1,21 @@
+{#
+/**
+ * @file
+ * Default theme implementation to display a region.
+ *
+ * Available variables:
+ * - content: The content for this region, typically blocks.
+ * - attributes: HTML attributes for the region <div>.
+ * - region: The name of the region variable as defined in the theme's
+ *   .info.yml file.
+ *
+ * @see template_preprocess_region()
+ *
+ * @ingroup themeable
+ */
+#}
+{% if content %}
+  <div{{ attributes }}>
+    {{ content }}
+  </div>
+{% endif %}