I did not use any font settings, I just accepted the app's default styles. I have made a wee change to the document, to show how you can style the fonts/text of something.
Regarding the I fumbled a bit before I thought of using the inline-block for display, so I used one of them after the text on the labels because I wanted to have a bit of distance after the word. I might just as well have deleted them. I reacted to your use of because you had so many of them.
The title tag should be used. What is written there will show up on the top tab in the browsers. You can see on this forum page that the title is what you set as the header of your question about CSS. If the title tag is empty, it will probably show something like 'untitled' or so. Not much info conveyed with that.
My work in progress:
Components for Site Designer and the HTML Editor: https://mock-up.coffeecup.com