Is my jumbotron image correct?

I’m having trouble getting the main innovation cloud image sized correctly and then having ‘The Innovation Cloud Conference’ text and picture below it.

I also had a bullet point on my list ( Register, schedule etc) and the only way i managed to remove it was to take out the

  • brackets. This can’t be correct. What is the correct solution for it?

    here is my code:

    Any help is massively appreciated!

    In in the css tab area, use
    text-decoration: none;