anchor.diff:    $.get('/sg/move?game_id=<%=sesh[:game_id]%>&box='+id+'&phase='+window.phase).success(r=> {
       $('.box.'+id).html(r.val);
       setTimeout(()=> {
  -      $('.box').html('')
  +      $('.box.'+id).html('')
       },1000);
     })
   }
  
positive.code:   cursor: not-allowed;
  }
  .box.disabled {
    background-color: darkgreen;
  }
  .sample_or_choose {
    background-color: lightblue;
  
negative.code: 
      //new round 
      if (data.chosen_buttons.length == 0) { 
        $('.box').removeClass('disabled').html('') 
        clickingEnabled = true;
        window.already_chosen = false;
      }
  
  
      data.chosen_buttons.forEach(boxID=>{
        $('.box.'+boxID).addClass('disabled').html('Chosen');
      })
  
      window.d = data;
  