first-child in the chat list isn't actually any different from the rest

Closes #165.
Make #add-chat-blocker look the same as #add-chat
Merge pull request #177 from jorygraham/modify-add-chat-blocker-font-size

Make #add-chat-blocker look the same as #add-chat
Merge pull request #175 from jorygraham/first-of-child

Closes #165