transition from one button to another

I want this effect but I am confuse how to achieve this? Do I need a separate div and then align the position?

Here is the codepen link
https://codepen.io/mozi47/pen/MWXQgbw

CodePenMuzakir Shah

MWXQgbw

...

Myndi•11/21/22, 2:48 PM

I think of a way, perhaps using

translate

translate

.
Having an element with the background's color, and .

On click a JS function to add the

active

active

class (or whatever/similar class).

And with a .