body {
  background: linear-gradient(-45deg, #000000, #F00, #000000);
  color: #fff;
  min-height: 100vh;
  margin: 0;
}

.input {
  display: flex;
  align-items: center;
  gap: 10px;
}

.correct {
  border-color: #00ff00;
  background-color: #00ff00;
  color: black;
}

.wrong {
  border-color: #ff0000;
  background-color: #ff0000;
  color: white;
}