We're looking for a user researcher to understand the needs of developers and designers. Is this you or someone you know? Check out the post: https://mzl.la/2IGzdXS

Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

 

The ::-ms-expand CSS pseudo-element is a Microsoft extension that represents the button of a <select> menu control that opens or closes the drop-down menu. Typically it is a triangle that points downward.

Allowable Properties

Only the following CSS properties can be used in a rule with ::-ms-expand in its selector. Other properties are ignored.

Syntax

  ::-ms-expand

Specifications

Not part of any specification.

Document Tags and Contributors

Last updated by: Jabark,