Slider not helping

I have gotten the slider to work. However when the browser is in full screen the header image is enlarged and with reduced quality.

If I reduce the size of the browser window to anything other than full screen it goes back to normal. Although the image gets aligned to the left instead of centered.

I cannot see any option to upload a screenshot, so I will instead try to define the problem more clearly.

There are two issues.

1) The image width is not the same as the browser or screen width. I would like the image to be centered in the slider instead of aligned to the left.

2) The slider looks good until the width exceeds 1169px then the height is far too large. This is not the same as what I see on the Storeup demo where the height remains reasonable.

Thank you Fem, I will do as you suggest and post the results here.

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