.missingCaptcha {
  position: absolute;
  width: 70vw;
  height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  top: calc(50% - 25vh);
  left: calc(50% - 35vw);
  background-color: red;
  padding: 20px;
  text-align: center;
  box-sizing: border-box;
  font-size: 50px;
  z-index: 999;
}