.form-control::-webkit-input-placeholder { /* Chrome/Opera/Safari */
    color: lightgray !important;
}

.form-control::-moz-placeholder { /* Firefox 19+ */
    color: lightgray !important;
}

.form-control:-ms-input-placeholder { /* IE 10+ */
    color: lightgray !important;
}

.form-control:-moz-placeholder { /* Firefox 18- */
    color: lightgray !important;
}