Custom sprite thumbnail and name extend out of container

[DuncanAJohnson]

Describe the current style
When uploading a custom sprite, the thumbnail and name can be too large for that sprite's thumbnail box in the sprite area.

Location of Style
Sprite area in the bottom right

Desired Styling
Scale down thumbnails to fit inside the sprite's thumbnail box
Change thumbnail box so that long sprite names do not continue below the box

Screenshots

Desktop (please complete the following information):

• Windows
• Chrome version 117.0.5938.35

Additional context
Add any other context about the problem here.