.calculator-container {
    width: 100px;
    margin: 20px auto;
    background: #ffffff;
    padding: 10px 20px;
    border: 6px solid #ffffff;
    border-radius: 15px;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
  
  }

  input[type="text"] {
    width: 100%;
    padding: 5px;
    margin: 10px 0;
    border: 1px solid #d6cece;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
  }

  input[type="button"],
  input[type="submit"],
  input[type="reset"] {
    margin: 2px 0;
    padding: 10px;
    background: #f7f7f7;
    border: 2px solid #fbfbff;
    color: #ffffff;
    font-family: sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.5);
  }

  input[type="button"]:hover,
  input[type="submit"]:hover,
  input[type="reset"]:hover {
    background: #e6e6ee;
    color: #ffffff;
    transition: 0.3s;
  }