I continue to torture jQuery Cookie, how to use a cookie?

Question

css

https://jsfiddle.net/webirus/t95b0qt7/1/
Fixed version of my first underscript.
Right now, cookies are being written as On and Off when clicked.
How to remember them and display them on the page when reloading?
For example, they clicked on the Link1 block, the Block was tinted black.
And when Run, it should remain so.