No left margin while using bullet list

Hi,

The bullet are stuck near the left, as you can see on the image, the bullet list must be with a “left margin” like this:

View post on imgur.com

On my wordpress, it seems there is no left margin here.

text example:
- list 1
- list 2

But before the upgrade it was :

text example:
   - list 1
   - list 2

Thanks!