Basic Css problem

I want to create the flow model in jquery , but now i want to add the css in jquery but i cant
here my for drag and drop [fiddle][1]

here second fiddle flow model same one i want to make it
I want after each drag it create a arrow to show the flow

So what exactly are you having trouble with? You are having trouble adding CSS in the jquery…sounds like a Javascript problem, not HTML/CSS, correct?

You also failed to mention what exactly you are unable to do, so we cannot help at this moment.

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