Slider revolution is not showing correctly on WCFM marketplace demo

Hi ,I just bough Urna theme and I am facing an issue with the mobile version of the home page of WCFM marketplace demo.to make it simple I used the same image you provide with the demo.

the container of the slider revolution showing the image is not responsive
would you please help me fixing this issue ?

screenshot : https://snipboard.io/zIqEZj.jpg
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