Pros:

• It has over 170 responsive design blocks ready to be used in your web or mobile apps.
• All blocks are based on the Bootstrap Library, and they are the building blocks for beautiful websites.
• It is mainly built for developers!!
• All design blocks are based on the Bootstrap grid 4 and they adapt based on the screen size.
• They even have a cool and clean website which is really great! Congrats!!
• The setup is very easy to do!

Cons:

• No cons I can see since this is an open source and offers a good tool for developers!!