1-How can i have more than 3 block in price table? 2- How can i change color of one block or fonts? 3- How can i change font size in the first line? its very big.
This (adding 4th column) require a redesign of the price table and we don't support this kind of changes. You can ask any frontend developer or gavick moderator (also me) for this (payable) custom job.