/* Override default style */
input {
  -moz-appearance: none; appearance: none;
  background: none;
}
input:invalid {
  box-shadow: none;
}

input.notinvalid {
  box-shadow: 0 0 1.5px 1px green;
}
input.notinvalid:invalid {
  box-shadow: 0 0 1.5px 1px red;
}

input.invalid {
  box-shadow: 0 0 1.5px 1px red;
}
input.invalid:invalid {
  box-shadow: 0 0 1.5px 1px green;
}

input.ref {
  box-shadow: 0 0 1.5px 1px green;
}
