/* body {
      font-family: Arial, sans-serif;
      background: #f0f2f5;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      padding-top: 40px;
    }
    .calculator {
      background: white;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(0,0,0,0.1);
      width: 320px;
      margin: 0 10px;
    }
    .display {
      width: 100%;
      height: 50px;
      font-size: 24px;
      margin-bottom: 10px;
      padding: 10px;
      border: 1px solid #ccc;
      border-radius: 5px;
      text-align: right;
      background: #f9f9f9;
    }
    .buttons {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }
    button {
      padding: 15px;
      font-size: 18px;
      border: none;
      background: #007bff;
      color: white;
      border-radius: 5px;
      cursor: pointer;
    }
    button:hover {
      background: #0056b3;
    }
    .toggle-btn {
      margin-bottom: 20px;
      padding: 10px 15px;
      background: #28a745;
    }
    #scientific {
      display: none;
    }
  */




div{
    font-size: 15px;
  }

button, #display{
    margin-bottom: 2px;
}

#basic{
    position: sticky;
    top: 0;
}