.wpcf7-date {
  width: 100%;
}
.wpcf7-date:before {
  width: 100%;
  content: attr(placeholder);
}
.wpcf7-date:hover:before {
  width: 0%;
  content: "";
}
.wpcf7-date.bt-date-input-has-value:before {
  display: none;
}
.wpcf7-date.placeholderclass:before {
  width: 0%;
  content: "";
}