Translation of complacencia

What do we do about the numbers? I skipped them because I wasn't sure. Because it is possible that somebody wants to know how to say 15 in Spanish. He should write out the word as 'fifteen', not as digits.
I looked at your site on the Internet. It is very beautiful, the graphics are interesting and the site leaves a clean impression. I think that paintings and art in general are very interesting.
I studied art in Germany. I would now like to learn Spanish. Can you teach me a little Spanish? Many greetings from Ukraine. I live in a small town, near Krim, close to the Black Sea.