reduce superscript size CSS code example

Example: Adjust superscript lineheight in Outlook

<style>
// Adjust Superscript for email development.
  sup {
    font-size:66%;					
    line-height:1;
    mso-text-raise: 30%; 			// Allows for exact vertical alignment in px of percent values.	
    mso-line-height-rule: exactly;	// Treats line-height as an exact value vs minimum value.
    vertical-align:top; 			// Optional
  }
  
</style>

<!-- Here's a good resource. -->
https://cm.engineering/fixing-bugs-with-outlook-specific-css-f4b8ae5be4f4