#test-div {
  color: rgb(0, 0, 0);
  font-family: serif;
  font-weight: 400;
}

#test-div:hover {
  color: rgb(10, 0, 0);
}

#test-div:active {
  font-family: Arial;
}

#test-div:focus {
  font-weight: 800;
}

#test-button {
  color: rgb(0, 0, 0);
}

#test-button:disabled {
  color: rgb(40, 0, 0);
}

#test-link:visited {
  color: rgb(20, 0, 0);
}

#test-link:link {
  color: rgb(30, 0, 0);
}