.form_field input {
    border: 1px solid;
}
.form_field.error .input {
    border-color: red!important;
}
/*.form_field.error .input::placeholder {*/
/*    color: red!important;*/
/*}*/

/*.form_field.error .input::-moz-placeholder {*/
/*    color: red!important;*/
/*}*/

/*.form_field.error .input::-webkit-input-placeholder {*/
/*    color: red!important;*/
/*}*/
/*.form_field.error .input {*/
/*    color: red!important;*/
/*}*/
.form_field.error span {
    color: red!important;
}
.form_field.error span > a {
    color: red!important;
}