.fade-enter {
  opacity: 0;
  z-index: 1;
}

.fade-enter.fade-enter-active {
  opacity: 1;
  transition: opacity 250ms ease-in;
}

/* validation css */
.invalid input {
  border-color: red;
}

.error-text {/*
  background-color: #efefef;
  border: solid 1px #ccc;
  border-radius: 3px;*/
  color: red;
  /*margin-top: 10px;
  padding: 3px 10px;
  position: relative;*/
}

/*.error-text::before {
  content: '';
  border-color: transparent transparent #ccc transparent;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 8px 8px 7px;
  position: absolute;
  left: 20px;
  top: -8px
}*/
/* end - validation css */