How to add a hero section with Sydney
To locate the hero option, please go to Customize > Hero area > Hero Type and select the hero type you want for your site's home page or for the rest of your pages.
Once you're happy with your selection, go back and visit the next sections to configure your hero:
For example, if you've selected Video either for the front page or for the rest of your website, go to Header Media to configure it. There, you will find options to upload your video in mp4 format or point to an Youtube video: