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 non-standard proprietary
::-webkit-input-placeholder pseudo-element represents the placeholder text of a form element. This allows web developers and theme designers to customize the appearance of placeholder text. This pseudo-class is only supported by WebKit and Blink.
Not part of any specification. This pseudo-element is proprietary and specific to WebKit and Blink.
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||(Yes)||No support||No support||(Yes)||(Yes)|
|Feature||Android||Firefox Mobile (Gecko)||Firefox OS||IE Phone||Opera Mobile||Safari Mobile|
|Basic support||?||No support||No support||No support||?||(Yes)|