How to remove padding in printformat?

I want to remove the padding or margin in the printformat. I tried Custom CSS not worked for me. if anyone have idea please share.

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Here my custom CSS

    padding: 5px 5px 5px 5px !important;

    padding: 5px 5px 5px 5px;

Please help me

@Antony_Praveenkumar works fine with me. what version you using ? and where exactly you inserted the css ?

Working For me also just I forget to change the Print Format