<style></style>
type  

The <style> tag should reside within the <head> tag and is used to delimit style sheets information. The <style> tag is optional.

<style type="">

   Description
   The type attribute is used to describe the Internet media (MIME) type of the style sheet definition and should always be "text/css."
Code
   <style type="text/css">  .  .  .  </style>
body>