Hello,
I am Magento2 expert with having more than 7 years of expertise in magento development & customization. I have gone through your requirement and I can able to do all the css stuffs which you want to do in your magento site.
I am ready to start right now please share me the list of changes which needs to be done alogn with the website url.
Waiting for your reply & looking forward to work with you.
Thanks,
Sid