.main {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: rgb(2, 0, 36);
  background: linear-gradient(
    90deg,
    rgba(2, 0, 36, 1) 0%,
    rgba(9, 9, 121, 1) 100%,
    rgba(0, 212, 255, 1) 100%
  );
}

.calculator-container {
  background: rgb(255, 255, 255);
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 1) 0%,
    rgba(212, 220, 231, 1) 100%
  );
  text-align: center;
  padding: 2.5rem;
  border-radius: 2rem;
}

.calculator-container h1 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.calculator-container p {
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
}

.calculator-container .grades-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.calculator-container .grades-container label {
  font-size: 1.6rem;
}

.calculator-container .grades-container input {
  padding: 1rem;
  font-size: 1.6rem;
  border-radius: 1rem;
}

.calculator-container .grades-container button {
  padding: 1rem;
  border-radius: 1rem;
  font-size: 1.6rem;
  cursor: pointer;
}