placeholder

::-webkit-input-placeholder { /* WebKit browsers */    color: #999999;}:-moz-placeholder { /* Mozilla Firefox 4 to 18 */    color: #999999;}::-moz-placeholder { /* Mozilla Firefox 19+ */    color: #999999;}:-ms-input-placeholder { /* Internet Explorer 10+ */    color: #999999;}

 readonly

.mint-field-core[readonly] {
       color: #999999;}