Tribute Page: help with unwanted space

I am finishing up my Tribute Page but cannot figure out why there is white space above and below my sub-title:

I would love to learn how to remove this white space and would appreciate your feedback.

Hi, add, margin: auto; to the #sub-title css block, … “The Prince of Preachers” sub title has a margin which causes the space.

Perfect. Thank you so much!