Realms page UI isn't aligned properly

The UI in the Realms page isn't aligned properly. You can see the dirt background on the right side but not on the left side of the screen.

What I expected to happen was...:

It should be aligned properly.

What actually happened was...:

It isn't aligned properly.

Steps to Reproduce:
1. Go to the Realms list by clicking "Minecraft Realms" on the title screen