<!DOCTYPE html>
<html>
<head>
<style>
:-moz-read-write + span {
display: none;
}
span {
color: transparent; /* workaround for bug 617524 */
outline: 1px solid green;
}
</style>
</head>
<body contenteditable>
<input><span>hide me</span>
<input readonly><span>hide me</span>
<input type=password><span>hide me</span>
<input type=password readonly><span>hide me</span>
<input type=email><span>hide me</span>
<input type=email readonly><span>hide me</span>
<textarea></textarea><span>hide me</span>
<textarea readonly></textarea><span>hide me</span>
</body>
</html>