[CSS] placeholder 컬러바꾸기

::-webkit-input-placeholder { color:#999 } /* chrome/opera/safari */

::-moz-placeholder { color:#999 } /* ff 19+ */

:-ms-input-placeholder { color:#999 }  /* ie 10+ */

:-moz-placeholder { color:#999 } /* ff 18- */

class/id명::::-webkit-input-placeholder {color:컬러 } 

출처 : http://sir.kr/so_opensource/235