Why doesn't atom see snippets?

Question

atom

I noticed that Atom does not see the second and subsequent snippets. The first one looks great. I installed the Emmet Snippets Compatibility plugin, I thought there was an emmet conflict, but it did not help.

Atom Documentation:

'.source.gfm':
  'Hello World':
    'prefix': 'hewo'
    'body': 'Hello World!'

  'Github Hello':
    'prefix': 'gihe'
    'body': 'Octocat says Hi!'

  'Octocat Image Link':
    'prefix': 'octopic'
    'body': '![GitHub Octocat](https://assets-cdn.github.com/images/modules/logos_page/Octocat.png)'

And my code:

'.source.css':

  'media':
    'prefix': '@'
    'body': "@media (max-width: 968px){}"

  'margin':
    'prefix': 'mm'
    'body': 'margin: 0px 0px 0px 0px;'

  'padding':
      'prefix': 'pp'
      'body': 'padding: 0px 0px 0px 0px;'

What is the problem and how to solve it?