pending/failed statuses labels should look more like reddit "spoiler" and "nsfw" labels

[estebanabaroa]

This is what the spoiler and nsfw labels look like on reddit:

This is what the spoiler, pending and failed labels look like on plebbit:

So to be more similar to reddit they should:

1. be aligned with the title, not underneath.
2. be lowercase, not "SPOILER" or" Failed", should be "spoiler" and "failed"
3. have corners and font more similar to reddit