.bmi {
            width: 100%;
          margin: 0 auto;
        }
    label {
      display: block;
      margin-top: 10px;
    }
    input {
      width: 100%;
      padding: 8px;
      margin-top: 4px;
      box-sizing: border-box;
    }
    button {
      margin-top: 20px;
      padding: 10px;
      width: 100%;
            background-color: #988574;
            color: #e6f4ec;
      font-size: 20px;
      font-weight: bold;
      cursor: pointer;
    }
    #result {
      margin-top: 20px;
      font-size: 18px;
    }