anchor.diff:      .grid__row
         .grid__cell-sm.grid__cell-sm_size_4.raw-text
           :markdown
  -          #### 1. Install modules
  +          ### 1. Install modules
   
             ```bash
             npm install gulp -g
  
positive.code:           ```
        .grid__cell-sm.grid__cell-sm_size_4.raw-text
          :markdown
            #### 2. Create `gulpfile.js`
  
            ```js
            var gulp = require('gulp');
  
negative.code:           .types__d_b footer/
            .types__f_b   footer.css
        .grid__cell-sm.grid__cell-sm_size_4.grid__element-cell.raw-text
          .heading.heading_level_3 Elements
  
          p Since elements can't be outside of blocks — we will place them in subfolder of block:
  
  