Fixed page section background - footer disappeared!

https://altumcredit.squarespace.com
Password: ac123

I'm trying to recreate a fixed page background - as you scroll down a page, the background should stay static. It works great, except my footer has disappeared. On the Home page, you will see the footer, because there is a divider (left intentionally so you can see what the footer looks like). However if you navigate to any other page you'll see the static background, but the footer is gone. Code used:

.section-background img {
  position:fixed;
}

I tried a z-index for the footer but it just swallowed up the whole page. Any ideas? Thanks!

This works. Thanks!