Note: this is for adding a stylesheet
<!--#passthrough
    <link href="/administrative-services/_files/css/president.css" rel="stylesheet">
#passthrough-->

 Note: this is for inline CSS
<style><!--
.mRed {  
  color: red;  
}
--></style>

 Note: another option for inline CSS
<!--#protect
<style>
li {
  display: inline;
</style>
#protect-->

 Note: This is for PHP Code
<!--#passthrough
<?php
  // your PHP code here
?>
#passthrough-->