image issues

I am creating a site for a non profit and need to know how to adjust the size of images in Neve. Just below the Join and Donate buttons I have replaced the default images which I believe were GIF images with Jpg images. The first jpg image of a Woman in traditional dress and is 1920 x 1277.

Question: How do I change the size of the image and padding around the image in Neve? I’ve tried changing the size and the image displayed remains pretty fixed. I would also like to know how to resize the container around the image as well.

Thanks for any help!

The page I need help with: [log in to see the link]