CSS Input Placeholder Customization

/* SUPPORTS - chrome, firefox, opera, safari */
::placeholder {
  color: blue;
  opacity: 1;
}

/* SUPPORTS - internet explorer 10+ */
:-ms-input-placeholder { 
  color: blue;
}

/* SUPPORTS - microsoft edge */
::-ms-input-placeholder { 
  color: blue;
}

/* FOR SPECIFIC INPUT HAVING CLASS - control  */
input.control::placeholder {
    color: blue;
    opacity: 1;
}