How to hide header on mobile?

[steve.kullusParticipant Support Period Has Expired]

Hi,

I changed header size and all ok with desktop, but on mobile, there are big box. How to get rid of it, can hide header on mobile?

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[Alex – Support TeamKeymaster]

Hello.

Please use Yellow Pencil for any custom changes.

Thanks

[steve.kullusParticipant Support Period Has Expired]

Is there an option to add css to hide subheader on mobile?