title: Jekyll & KramDown - How to Display Table Border
body: <p>I am using Jekyll default kramdown. I have a table showed using </p>
  
  <pre><code>surround text, etc.
  
  | Tables        | Are           | Cool  |
  | ------------- |:-------------:| -----:|
  | col 3 is      | right-aligned | $1600 |
  | col 2 is      | centered      |   $12 |
  | zebra stripes | are neat      |    $1 |
  
  surround text...
  </code></pre>
  
  <p>But the table does not have border. How to show the border.  </p>