--- /dev/null
+{#
+/**
+ * @file
+ * Bootstrap Layouts: "1 Column" template.
+ *
+ * Available layout variables:
+ * - wrapper: Wrapper element for the layout container.
+ * - attributes: Wrapper attributes for the layout container.
+ *
+ * Available region variables:
+ * - main
+ *
+ * Each region variable contains the following properties:
+ * - wrapper: The HTML element to use to wrap this region.
+ * - attributes: The HTML attributes to use on the wrapper for this region.
+ * - content: The content to go inside the wrapper for this region.
+ */
+#}
+<{{ wrapper }}{{ attributes }}>
+ {{ title_suffix.contextual_links }}
+ <{{ main.wrapper }}{{ main.attributes }}>
+ {{ main.content }}
+ </{{ main.wrapper }}>
+</{{ wrapper }}>