OK, I have a test page that I am trying to center the youtube “link” but, well, it does not want to cooperate I know I am doing something wrong, but for the life of me can’t see it
So, if you go to test site you can see that the youtube stuff is not centered.
You might prefer to add {text-align:center} to .Pictures1 instead of setting div.centr to {display:block;}. Doing so includes the text below the iframe. Try both; no extra charge