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/* Override default style */
textarea {
border: 0px;
}
textarea.ref {
background-color: green;
}
textarea:invalid {
box-shadow: none;
}
textarea.notvalid {
background-color: green;
}
textarea.notvalid:valid {
background-color: red;
}
textarea.valid {
background-color: red;
}
textarea.valid:valid {
background-color: green;
}