Decrease side paddings of text buttons

[Yolqin]

New sizes for desktop and mobile:
Small: 8px
Medium: 8px
Large: 16px

Desktop: https://www.figma.com/file/GA87sgdjJ8lrAHAi7qFQ3X/Desktop-Library?node-id=1403%3A7882

Mobile: https://www.figma.com/file/3RRfrTgJ37G7O7G5KFU86F/Mobile-Web-Library?node-id=654%3A10