.project-window{
  display: flex;
  justify-content: center;
  align-items: center;
}

.calculator{
  background-color: black;
  padding: 10px;
  border-radius: 10px;
  font-size: 32px;
}

.calculating-buttons{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  row-gap: 10px;
  column-gap: 10px;
  margin-top: 10px;
}

.calculating-buttons button{
  border-radius: 1000px;
  height: 50px;
  width: 50px;
  background-color: rgb(33, 33, 33);
  border: none;
  color: white;
  font-size: 25px;
  cursor: pointer;
}

.calculating-buttons .operator{
  background-color: orange;
}

.calculating-buttons .clear{
  font-size: 15px;
}