.errorinvalidchar {
    background-color: gray;
    border: 1px;
    border-color: lightgray;
    color: lightgray !important;
    text-decoration: none;
    display: inline-block;
}
.errorexceedschar {
    background-color: gray;
    border: 1px;
    border-color: lightgray;
    color: lightgray !important;
    text-decoration: none;
    display: inline-block;
}