So far it doesn't look any different, just cleaner ....
Lets compare the different Headers font sizes:
h1 Header
h2 Header
h3 Header
h4 Header
h5 Header
h6 Header
which is more distict than in previous html version IMO
Here is an example of List
- line 1
- line 2
- line 3
- line 4
- line 5
HTML id Attribute Example