To ensure the image fits properly, please resize the image to the desired dimensions and re-upload it. This should resolve the issue with the slide background.
Navigate to Slides > Edit Slide > In the bottom of the slide check the slide settings and change the background position. https://ibb.co/9bpLVTr
Thanks for the information. Now I am facing another challenge related to this to reduce the gap between slide and Categories in the home page please refer the attached image
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