It’s important to consider adjusting a user’s social network permissions (or access) because

You may not want to share access to social networks with other members of your team. Also you may want to adjust your users social permission for security reasons, just to be on the safe side. A stronger network means you have a lower chance of a hacker breaking through your system.

Css3 is the latest evolution of the cascading style sheets language and aims at extending css2.1. it brings a lot of new features and additions, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts.credits to medium for making this answer credits to google for copying this answercredits to me for putting this answer on your question

Personality comes from within