Hello Awatif,
1. We hope this message finds you well. You can change the white color in the footer by editing that section and adjusting it to your needs. Please refer to the screenshot provided: https://postimg.cc/yDjzVNW6
2. We are pleased to inform you that we have resolved the issue on your site. Please clear your browser cache and check back to your site. For your reference, please see the screenshot provided: https://postimg.cc/jWTQhshf.
We wish you the best of luck.
Kind regards,
8Theme’s Team