mso superscript 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