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The idea behind CSS Naked Day is to promote Web Standards. Plain and simple. This includes proper use of (X)HTML, semantic markup, a good hierarchy structure, and; well, a fun play on words. I mean, who doesn't want to get naked? —Dustin Diaz, Founder of CSS Naked Day

This CSS Naked Day plugin automatically strips off the following code from your site without you having to edit your themes:

• X(HT)ML stylesheet directives: <?xml-stylesheet … ?>
• (X)HTML stylesheet references: <link rel="stylesheet" … /> or <link rel='stylesheet' … />
• (X)HTML embedded stylesheets: <style> … </style>
• (X)HTML inline stylesheets: style="…" or style='…'

Since version 1.1, you have an option to activate it during the recommended worldwide 48-hour CSS Naked Day period, or just the local 24-hour period.

For more information about the event, visit: The Official CSS Naked Day Page.