/* Reset default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Body background and center alignment */
body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #eef2f3;
}

/* Calculator container */
.calculator {
  background-color: #470744;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(164, 88, 185, 0.3);
}

/* Display screen */
#display {
  width: 100%;
  height: 50px;
  margin-bottom: 20px;
  font-size: 24px;
  padding: 10px;
  text-align: right;
  border: none;
  border-radius: 5px;
  background-color: #fff;
}

/* Buttons container */
.buttons {
  display: grid;
  grid-template-columns: repeat(4, 60px);
  gap: 10px;
}

/* Buttons style */
button {
  height: 60px;
  font-size: 20px;
  border: none;
  border-radius: 8px;
  background-color: #f5f2f6;
  color: #bd70d9;
  cursor: pointer;
  transition: 0.2s;
}
button {
  /* existing styles... */
  font-weight: bold;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

button:hover {
  background-color: #6c2a8b;
}



button:hover {
  background-color: #7a787a;
}