.yk-tt-invalid {
  color: red;
}
.yk-tt-valid {
  color: green;
}
.yk-tt-form .yk-tt-invalid {
  border: 1px solid red;
}
.yk-tt-form .yk-tt-valid {
  border: 1px solid green;
}
.yk-tt-form-row {
  margin-bottom: 10px;
  width: 100%;
}
.yk-tt-form-row label {
  display: block;
  width: 100%;
}
.yk-tt-form-row input {
  width: 100%;
}
.yk-tt-form-row select {
  color: green;
  width: 100%;
}