You won't be able to dismiss this by usual means (escape or click button), but you can close it programatically based on user choices or actions.
"A beautiful matching design which complemented the matching invitations beautifully! I am using this colour and theme now throughout our wedding!"
"The word "table" is too small. I'd recommend increasing the font size. Can't recall how big I went - size 14? But definitely necessary. And then have the layout designer realign the text with the ".........." where you write in the table number. Otherwise, excellent and oh so cute!"