That is not really something we would be able to offer much help with, I am afraid. You may want to take a look at some Youtube embedding tutorials in Google, as this is something strictly code related. A quick search for “resize embedded youtube videos” should get you started.
Answer #1
This is the code
iframe width=”300″ height=”169″ src=”//www.youtube.com/embed/Ki2dMIcsTrY” frameborder=”0″ allowfullscreen>