::-webkit-input-placeholder
      {
      /* Chrome/Opera/Safari */

      color: pink;
}
::-moz-placeholder
      {
      /* Firefox 19+ */

      color: pink;
}
:-ms-input-placeholder
      {
      /* IE 10+ */

      color: pink;
}
:-moz-placeholder
      {
      /* Firefox 18- */

      color: pink;
}

/*Working Example:*/
input[type="email"]::webkit-input-placeholder {
  color: orange;
}