anchor.diff:    .l-verbose-section
       :marked
         #### Adding the libraries and packages we need with *npm*
  -      ####用*npm*添加我们需要的库和依赖包
  +      #### 用*npm*添加我们需要的库和依赖包
         
         Angular application developers rely on the _[npm](https://docs.npmjs.com)_
         package manager to install the libraries and packages their apps require.
  
positive.code: block includes
    include _util-fns
    - var _Install = '安装'
    - var _prereq = 'Node.js'
    - var _angular_browser_uri = '@angular/platform-browser-dynamic'
    - var _angular_core_uri = '@angular/core'
    - var _appDir = 'app'
    - var _indexHtmlDir = '项目的根'
  
  :marked
    Our QuickStart goal is to build and run a super-simple
  
negative.code:   styles shown below. For the full set of master styles used by the documentation samples,
    see [styles.css](https://github.com/angular/angular.io/blob/master/public/docs/_examples/styles.css).
    
    在*#{_indexHtmlDirCn}*目录下创建一个`styles.css`文件来加上样式，可能是像下面这样的最小化版本。
    要查看本文档中所用到的主样式表的完整集合，参见
    [styles.css](https://github.com/angular/angular.io/blob/master/public/docs/_examples/styles.css)
  +makeExcerpt('styles.1.css')
  