::-webkit-input-placeholder {color:#ff000;}
::-moz-placeholder {color:#fff000;}/* Firefox 19+ */
:-moz-placeholder {color:#bebebe;}/* Firefox 18- */
:-ms-input-placeholder {color:#000000;}<link rel="stylesheet" href="path/to/css/bootstrap.min.css" >
<link rel="stylesheet" href="path/to/css/my.style.css" >