CSS Layout How to - Control Column Count with Media Queries

Question

We would like to know how to control Column Count with Media Queries.

Answer

The column-count property controls how many vertical columns text will be broken into.


<!DOCTYPE html>
<html>
<head>
  <style type='text/css'>
article p {<!--   ww w .ja  v a2 s. c  o m-->
    -moz-column-rule: 1px solid #ccc;
    -webkit-column-rule: 1px solid #ccc;
    column-rule: 1px solid #ccc;
    -moz-column-gap: 1.5em;
    -webkit-column-gap: 1.5em;
    column-gap: 1.5em;
}
@media only screen and (min-width: 500px) {
  article p {
    -moz-column-count: 3;
    -webkit-column-count: 3;
    column-count: 3;      
  }
}
  </style>
</head>
<body>
  <section>
    Drag the windows smaller to see 3 columns revert to single column...
    <article>
        <p>This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. 
        This is a test. This is a test. This is a test. This is a test. </p>
    </article>
<section>
</body>
</html>

The code above is rendered as follows: