How to resize image

I am having trouble resizing my image. For example, dragging the corner of the image to make it bigger. Sorry if this is a quick fix. I just can’t get the original image on the site. It is cropping the image and not presenting the full image when I go into website preview.

I want the image to be around this big →

here is my read-only link:

Thank you in advance!

Hi - The image is inheriting its width from the Hero Image Container. Resize this element to resize the image.