CSS - placeholder color
input:focus::-webkit-input-placeholder {
color: #FFF;
}
/* Firefox < 19 */
input:focus:-moz-placeholder {
color: red;
}
/* Firefox > 19 */
input:focus::-moz-placeholder {
color: #FFF;
}
/* Internet Explorer 10 */
input:focus:-ms-input-placeholder {
color: #FFF;
}