CSS3 Progress Button Styles

Today we’d like to share some progress button styles with you. You surely know “Ladda” by Hakim El Hattab, a UI concept that indicates progress directly on the button that invokes a loading action. Some of the buttons have a built-in progress bar and today we’d like to explore that idea with some creative progress button styles. Using perspective will allow us to create some fun 3D effects besides the flat “filling” styles