Generated by SassMeister.com.

SassMeister-input-HTML.html

<input type="" placeholder="hello" />

SassMeister-input.scss

// ----
// Sass (v3.3.7)
// Compass (v1.0.0.alpha.18)
// ----

@mixin placeholderstyle() {
  color: red;
}
input::-webkit-input-placeholder {
  @include placeholderstyle()
}
input:-moz-placeholder {
  @include placeholderstyle()
}
input::-moz-placeholder {
  @include placeholderstyle()
}
input:-ms-input-placeholder {
  @include placeholderstyle()
}

SassMeister-output.css

input::-webkit-input-placeholder {
  color: red;
}

input:-moz-placeholder {
  color: red;
}

input::-moz-placeholder {
  color: red;
}

input:-ms-input-placeholder {
  color: red;
}

SassMeister-rendered.html

<input type="" placeholder="hello" />