body {
  background-color: antiquewhite;
}

.container {
  display: flex;
  flex-direction: column;

  justify-content: center;
  align-items: center;
}

.answer {
  margin: 20px;
  margin-top: 100px;
  font-size: 30px;
  width: 20%;
  text-align: right;

  color: salmon;
  background-color: antiquewhite;
  border: 5px solid wheat;
  padding: 5px 10px;
}

.buttons-wrapper {
    display: flex;
    gap: 20px;
}

.numbers {
    display: flex;
    flex-direction: column;
}

.operators {
    display: flex;
    flex-direction: column;
}

button {
  padding: 5px 10px;
  margin: 5px 10px;
  border-radius: 10px;
  font-size: 24px;
  font-weight: bold;
  color: salmon;
  background-color: antiquewhite;
  border: 5px solid wheat;
  cursor: pointer;
}