body {
  background-color: #f9f4eb;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.calculator {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(181, 139, 83, 0.79);
  width: 260px;
  border: 2px solid #d5aa5b;
}

.calculator h2 {
  text-align: center;
  margin-bottom: 10px;
  color:#b08e71;

}

#display {
  width: 92%;
  height: 50px;
  font-size: 24px;
  text-align: center;
  padding: 10px;
  margin-bottom: 10px;
  border: 2px solid #e7e3db;
  border-radius: 8px;
  color: #b08e71;
  box-shadow: inset 0 0 7px rgba(207, 184, 158, 0.8);
}

.buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

button {
  padding: 15px;
  font-size: 18px;
  border: none;
  border-radius: 8px;
  background-color: #ffffff;
  cursor: pointer;
  transition: background-color 0.2s;
  box-shadow: 0 0 7px rgba(207, 184, 158, 0.782);
  color: #b08e71;
  font-weight: bold;
}

button:hover {
  background-color: #F9F4EB;
  border: 2px solid rgb(199, 114, 4);
}