let textStyle = $('#format-text input');
  $('#bold-btn').on('click', function(){

    //textStyle.css('font-weight','700');
    if($("#format-text input").css('font-weight') == '400'){
      $("#format-text input").css('font-weight','700')
    }
    else if ($("#format-text input").css('font-weight') == '700'){
      $("#format-text input").css('font-weight','400')

    }
});