For more detail this asset from the Unity Asset Store: Click Here
This is a paid asset, but now you can download EGUI for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
EGUI v1.3.0 (Latest version)
“If possible, please buy the package to support the developer”
Egui is a builder of Game UI that will help you create professional user interfaces very quickly and easily, regardless of whether you are an indie developer, student, freelancer or game studio.
This library contains such elements as buttons, windows, and other various elements (coins, energy, and so on) necessary to create game ui.The peculiarity of this library is that the color scheme of the elements is completely changeable. You no longer need to constantly go into graphics programs (photoshop, gimp, and so on) to change the color of the elements. Due to this, the creation of the game is accelerated at times, since you have to spend much less time on the gui.
* This pack will be constantly improved and supplemented with new elements *
Features:
-300+ elements (Buttons,Windows and other elements)
* Fully customizable color scheme *