1 files changed, 8 insertions, 0 deletions
diff --git a/src/content/dependencies/generatePageSidebarBox.js b/src/content/dependencies/generatePageSidebarBox.js
index 51835452..e11efc3f 100644
--- a/src/content/dependencies/generatePageSidebarBox.js
+++ b/src/content/dependencies/generatePageSidebarBox.js
@@ -11,10 +11,18 @@ export default {
       type: 'attributes',
       mutable: false,
     },
+
+    collapsible: {
+      type: 'boolean',
+      default: true,
+    },
   },
 
   generate: (slots, {html}) =>
     html.tag('div', {class: 'sidebar'},
+      slots.collapsible &&
+        {class: 'collapsible'},
+
       slots.attributes,
       slots.content),
 };