It's easy...!
When you use the biorhythm calculator on this website it will display the "Generate HTML" option after your first calculation.

When you generate HTML both the HTML source and test output will be displayed. Simply copy'n'paste the HTML source into your webpage. That's it!

How to set the biorhythm calculator layout
You can format the biorhythm calculator by defining styles for the following tags:

• <h1>
• <h2>
• <p>
• <input>
• <select>
• <option>
• <th>

See www.w3.org/Style/CSS/ for more info about defining styles.

The background of the calculator is WHITE. It can be fitted into a 468 pixel wide column (depending on your style settings).