Down: 

1D. Clef subtly resembling an ampersand 

2D. New teammate 

3D. Vaccine 

4D. Inflated party decoration

5D. Adjective used to deepen a color or describe a prince

6D. Colorado City and Tree

8D. Class of medications for mental illness

9D. Triangle side name

12D. Row 

13D. Not rough but plural 

15D. Shiny 

18D. Countryside 

19D. Snowboard opponent 

20D. Famous Florida Sport academy 

21D. Immoral behavior 

22D Suffix that indicates state, condition, belief, etc

23D. Bet it all

24D. Not so pretty

25D. To toy with

26D. Sweaty Room

27D. New Year of the Snake 

28D. Chandelier singer 

30D. Somebody abbr. in text