Background image not working on mobile

Site URL: https://yogawithjoelle.com/

I've used a background image as script-style text for my home page, and it's looking odd on the mobile version. It looks fine on desktop.

Is there a way to use a script font for that single line of text to avoid using a background image at all? And if not, is there a code I could use that won't make the image look this way on mobile?

Here's the code I've got in there at the moment:

Hi,

I see you used Background Image. Why dont you use Image Block instead?