Make navbar sticky and center align the navbar burger on mobile

config/asset_injector.css.sticky_navbar.yml

@@ -0,0 +1,26 @@
+uuid: 16f0e340-e8c1-42f3-8be8-e25b8f89cd3e
+langcode: en
+status: true
+dependencies:
+  module:
+    - block_visibility_groups
+id: sticky_navbar
+label: 'Sticky navbar'
+code: |-
+  .navbar {
+  	position: sticky;
+  	top: 0;
+  }
+
+  .navbar-burger {
+  	align-self: center;
+  }
+media: all
+preprocess: true
+conditions:
+  condition_group:
+    id: condition_group
+    negate: false
+    block_visibility_group: ''
+contexts: {  }
+conditions_require_all: true