It appears that the link you provided earlier was for Metronic version 7, which is no longer actively maintained. The latest version available is Metronic v8, which introduces several updates and changes, including different styles compared to v7.
If you are using Metronic v8, please note that the sticky action bar feature is not available in this version. Unfortunately, there isn't a direct replacement for this feature in v8.
To access the documentation for Metronic v8, you can use the following link: