This snippet designed by Samuel Janes is great if you want to show tooltips on your next web design project. These are in pure CSS and you have the option to show images or text in them. When you hover over the buttons the hidden message comes into view on the tooltips.
If you are having trouble with the pen, try the archived copy on GitHub
Multicoloured Tooltips Snippet
See the Pen CSS only tooltips by Samuel Janes (@SamuelJanes) on CodePen.0