.buttons {
  display: grid;
  grid-template-columns: repeat(4, 50px);
  grid-template-rows: repeat(4, 50px);
  gap: 2px;
  background-color: rgba(0, 0, 0, 0.623);
  width: 206px;
  padding: 5px;
  border-radius: 5px;
}
.calcContainer {
  background-color: rgb(209, 236, 236);
  width: 217px;
  padding: 5px;
  border-radius: 5px;
  border: 1px solid gold;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 auto;
}

.display {
  width: 205px;
  height: 50px;
  background-color: aquamarine;
  padding: 5px;
  border-radius: 5px;
}
button {
  font-size: 20px;
  font-weight: 400;
  text-align: center;
  border-radius: 5px;
  box-shadow: 1px 1px #0000009d;
  outline-offset: 10px;
}
#btnClear {
  width: 50px;
  height: 50px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}