Dear, please fix the differences of the demos with the models that you present in the preview. Well it's not just slides that is different but responsive to mobile too. I just bought a theme because I do not know much about programming. If I have to make the modifications myself so that it's the same as what you show I'll want my money back.
If we are correct, you are referring to Revolution Slider on the homepage.
The demo is http://bridge174.qodeinteractive.com/
Please navigate to your WP admin -> Slider Revolution -> Global Settings and apply these settings:
After that check the slider.
If you need further assistance please describe the issue in more detail.
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