#message {
  visibility: hidden;
  color: #000;
  position: relative;
  padding-left: 15px;
  text-align: left;
}

/* Add a green text color and a checkmark when the requirements are right */
.valid {
  color: green;
}

.valid:before {
  position: relative;
  content: "✔";
  margin-right: 5px;
}

/* Add a red text color and an "x" when the requirements are wrong */
.invalid {
  color: red;
}

.invalid:before {
  position: relative;
  left: 0;
  content: "✖";
  margin-right: 5px;
}