anchor.diff:      $('.contribution_card_expanded').velocity('fadeOut', { duration: 150 });
     });
   
  -  $('.card').on('click', function(e){
  -    e.preventDefault();
  -
  -    $.ajax({
  -      type: "GET",
  -      dataType: "script",
  -      url: $(this).data("url")
  -    });
  -  });
  -
     // Height definition, ToDo make it dynamic
     // var contribution_card_expanded_container = $('.contributions_container .contributions_content').height();
     $('.contribution_card_expanded_main_col').height('650');
  
positive.code: }
  
  function createCards(data) {
    var card = contributions.select('.contributions_content')
      .selectAll('div')
      .data(data)
  
negative.code:     .call(drag);
  
    simulation.on('tick', ticked);
  
    $('.card').on('click', function(e){
      e.preventDefault();
  
      $.ajax({
        type: "GET",
        dataType: "script",
        url: $(this).data("url")
      });
    });
  }
  
  function constant(_) {
  