Home page sidebar is white

[prescientmoon]

Describe the bug:
When the user is not logged in the github home page sidebar is white

Expected behavior:
The sidebar should look like the rest of the theme

Where did this happen:
The sidebar doesn't look like the rest of the theme

Steps to reproduce:

• Log out of your account
• Go to the github homepage
• Click the icon in the top right corner

Screenshots:

Desktop (please complete the following information):

• OS: Nixos
• Browser: Chrome
• Version: probably latest

Additional add-ons installed:
The other extensions recommended in the readme