Note: we recomonded you to please make your one own css file & one js files and add that in your page, so whenever the update of Monster admin comes it does not affect your code.
Download a Package Source From our Mart.
Install Prepros From
After that open it and add your scss folder into that and select your destination path and run it.
When you save your scss file css will generate in your destination path where you want to put it.