> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt ## Resource: $w ## Namespace: menu-container ## Article: Introduction ## Article Link: https://dev.wix.com/docs/velo/velo-only-apis/$w/menu-container/introduction.md ## Article Content: # Introduction You can add elements to or remove elements from the container to customize your site's mobile menu. The menu container helps mobile site visitors navigate from page to page on a mobile site and only appears in the mobile version of your site. Use [Menu](https://www.wix.com/velo/reference/$w/menu) to make changes to your regular site. With Velo, you can customize mobile menu items by changing their labels, links, where the item opens, and if an item displays as selected. This includes using Velo to modify mobile site menus in real time during the visitor's stay on the site.