.thaifont_300{
    font-family: 'Kanit', sans-serif;
    font-weight: 300;
  }
  
  .thaifont_400{
    font-family: 'Kanit', sans-serif;
    font-weight: 400;
  }
  
  .thaifont_700{
    font-family: 'Kanit', sans-serif;
    font-weight: 700;
  }