Cookies notice is simple, easy to use and understand. It's a no-BS option for people wanting to add a cookies notice…
Colors of text and background can be changed in add/edit form.
Each block works independently. You can place multiple notifications on the same page (Copied by clipboard blocks can be conflict).
Place a block Cookies Notice in the Global Area so that it is displayed on any page in the site.
Can work on multilingual sites. Just place the block in global area of each language partition.