anchor.diff:            ### Why BEM over the others?
   
       .grid__row
  +      .grid__cell-sm_size_12.raw-text
  +        p No matter what methodology you choose to use in your projects, you will get advantages of structured CSS and UI. Some of them are less strict and more flexible, other is easier to understand and adapt in team. Instead of writting our opinion on BEM advantages, we leave you with some quotes about it:
  +
  +    .grid__row
         .grid__cell-sm_size_4.raw-text
           h4(style="text-align: right")
  -          | "
             a(href="http://www.integralist.co.uk/posts/maintainable-css-with-bem/#why-bem-over-the-others") Maintainable CSS with BEM
  -          | "
             br
             | by Mark McDonnell
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positive.code:     .grid__row
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          h4(style="text-align: right")
            | "
            a(href="http://justinmarsan.com/css-methodology-and-frameworks/") CSS methodology and frameworks
            | "
            br
            | by Justin Marsan
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negative.code:     .grid__row
        .grid__cell-sm_size_6.raw-text
          h4(style="text-align: right")
            a(href="http://csswizardry.com/2013/01/mindbemding-getting-your-head-round-bem-syntax/") MindBEMding – getting your head ’round BEM syntax
            br
            | by Harry Roberts
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