Edit/dark bg colors

Tyler requested this color palette swap

#242C38 to replace

• light-mode var(--neutral-secondary-background-inverse)
• dark-mode var(--neutral-secondary-background)

#0F1012 to replace

• light-mode var(--neutral-base-background-inverse)
• dark-mode var(--neutral-base-background)

Either the linter or the prettier extension are causing extra "changes" but it's just, for some reason, using lowercase as the standard for hexadecimal. The only real changes are those 4 listed above