.tl-account-info input:required{
    border-bottom-color:red;
}
.tl-account-info input:valid{
    border-bottom-color:teal;
}
.tl-account-info input:required:disabled{
    border-bottom-color:teal;
}
.tl-account-info .w3-input:disabled  ~ .w3-label{
    top:-20px;
    font-size:14px;
    color:#888;
}