Override YETI alert styles

Increase font-size and make normal font-weight. Also add small border-radius.
Rough outline of new post
More outline
MOAR WORDS
Fleshing out outline
Capitalization
grammar
spelling
Fleshing out text more
More fleshing
MOAR WORDS
More fleshing out
First draft complete
Wording changes
 more wording changes plus new link
Alanna's proofread
Adding photos and more proofreading
Textual changes

not to be confused with sexual changes