Set page background image position

[ethan]

I have a background image for my page that I want positioned to the lower right corner. I’m not seeing that as an option:

This is what it looks like now and where I want the background image positioned:

[ethan]

I was able to reposition it by adding custom CSS in Settings > SEO & Metatags > Script in body:

<style>
  .main-page.bubble-element.Page {
    background-attachment: fixed;
    background-position: right bottom;
}
<style>

To get the CSS element name, just use the inspector tool on your browser: