Hello,
1. Delete this code http://prntscr.com/i8p4qd Theme Options > Styling > Custom css.
2. This is bad practice to use carousel element inside tabs.
3. Please check settings of Info Box element and make sure that for the content: Transform – none.
4. Make sure that all your portfolio projects have featured images http://prntscr.com/i8pazu
5. I do not see the problem http://prntscr.com/i8pbb6
Regards