.developer
{
    text-align: center;
}
 img
  {
      width: 120px;
      height: 120px;
      border-radius: 100px;
  }

  #astyle
  {
      font-size: 20px;
  }
  #tablestyle
  {
      margin-top: 100px;
      font-size: 20px;
  }