CHANGED MY COLOURS

HI
SINCE I INSTALLED THIS PLUGIN ON MY CLIENTS WEBSITE https://bobbyswolton.co.uk IT HAS CHANGED THE COLOURS AND I CANT UNDO THE CHANGE (WHATHEVER I DO THE COLOUR DOESN’T CHANGE BACK)- IS THERE A FIX TO THIS PROBLEM. PLEASE LET ME KNOW ASAP.
THANKS

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