How to remove white space in Dawn theme on both mobile and desktop?

Store Design
1

Screen Shot 2024-04-27 at 6.46.07 AM.png
Screen Shot 2024-04-27 at 6.46.07 AM.png754×2474 188 KB

Screen Shot 2024-04-27 at 6.49.27 AM.png
Screen Shot 2024-04-27 at 6.49.27 AM.png5120×2706 1.71 MB

BOTH MOBILE AND DESKTOP I AM WANTING TO REMOVE THE WHITE SPACE AND FILL THE PASSWORD PAGE WITH THIS PHOTO

2

DOMAIN, MENTALLYFULL.COM