It's common for pointer-driven animations to shift the center of the attachment range - the point of 50% progress - to a specific point, so that common animations with an effect’s progress of [1, 0, 1 ...

Extract the files Open 'index.html' file in you browser Got it, you'll see the output Now you can use it, where there is need Copy the required code from relavent file(*.js, *.css, *.html) ...