anchor.diff:              | // * and composite UI.
               | this.widget.add({
               |   title: 'Coders', 
  -            |   href: '/coders',
  +            |   href: 'https://www.mokoversity.com/coders',
               |   img: '//static.mokoversity.com/images/gallery/spot-course.jpg'
               | });
               | this.widget.add({
  -            |   title: 'Courses', 
  -            |   href: '/course/html5',
  +            |   title: 'Makers', 
  +            |   href: 'https://www.mokoversity.com/makers',
               |   img: '//static.mokoversity.com/images/gallery/spot-online.jpg'
               | });
               | this.widget.add({
               |   title: 'Training', 
  -            |   href: '/camp/full-stack',
  +            |   href: 'https://www.mokoversity.com/camp/full-stack',
               |   img: '//static.mokoversity.com/images/gallery/spot-training.jpg'
               | });
  -          a.ghost-button.ghost-button-inverse(href='#') View Demo
  +      section.spot-box
  +        .row.text-center#demo-spot
  +          a.ghost-button.ghost-button-inverse#btn-demo-spot(href='#') Run
  +
  +  script(type='text/template', id='tmpl-spot-news')
  +    .col-md-4
  +      a.text-center.btn-spot-news(href!='<%= href %>', data-id!='<%= spotId %>')
  +        img.img-responsive(src!='<%= img %>')
  +        .info
  +          h2 <%= title %>
positive.code: block neck
  
  block feet
    script(src='/elements/build/bundle.js?#{cacheBreaker}')
  
  block body
  
  
negative.code:       .row
          .col-md-6.col-md-offset-3.text-center
            h2(style='margin-bottom: 30px;') Spot
            p A photo background square box that just display a heading with a hyperlink.
            pre
              | /* How to composite a Spot element. */
              | 
              | // Step 1: Require partjs elements.
              | var Elements = require('partjs-elements');
              | 
              | // Step 2: Create an element instance and bind data.
              | this.widget = new Elements.Spot({
  