Very simple Input Placeholder Mixin for SASS. Allow styling of an <input> placeholder. Support for: Webkit browsers, Mozilla Firefox 4 to 18, Mozilla Firefox 19+, IE 10+.

Placholder Style Mixin.scss

/**
* Usage example:
*
* input {   
*    @include placeholder {
*     // styles
*   }
* }
*/

@mixin input-placeholder {
    &::-webkit-input-placeholder { @content }
    &:-moz-placeholder { @content }
    &::-moz-placeholder { @content }
    &:-ms-input-placeholder { @content } 
}