- Data URIs: Internet Explorer does not support data URIs. Data URIs For security reasons, Data URIs are restricted to downloaded resources. Data URIs cannot be used for navigation, for scripting, or to populate frame or iframe elements.
- REM CSS: The CSS3 rem, which is always relative only to the root html element, is too new to rely on. As of July 2012, around 75% of all browsers in use support the rem.
Reference Link:
- Data URI scheme
- Contenteditable
- CSS3 Rem Attribute
- Data URI Mozilla
Conclusion:
Please refer to the first link to achieve this as IE not started supporting it.
IE doesn't support Data URI tag. Hence you have to use it in javascript or in html tag.
IE doesn't support REM CSS3 Attribute rem as a unit. Hence you have to use em or px instead.