Remove the weird empty narrow column that prevents the mountain banner from taking up full width

config/asset_injector.css.unblock_mountain_banner.yml

@@ -0,0 +1,21 @@
+uuid: 7b0d066a-6392-417e-a874-24c44efa2ec7
+langcode: en
+status: true
+dependencies:
+  module:
+    - block_visibility_groups
+id: unblock_mountain_banner
+label: 'Unblock mountain banner'
+code: |-
+  div.column:has(#block-octavia-mountainbanner) + div.column {
+  	display: none;
+  }
+media: all
+preprocess: true
+conditions:
+  condition_group:
+    id: condition_group
+    negate: false
+    block_visibility_group: ''
+contexts: {  }
+conditions_require_all: true