#stalker{
  position: fixed;
  width: 10px;
  height: 10px;
  margin: -30px 0 0 -30px;
  z-index: 998;
  pointer-events: none;
  background-color: #000;
  border-radius: 30px;
  background-clip: padding-box;
  border: solid 15px rgba(221, 221, 221, .5);
}

#stalker.active{
  background-color: #000;
}

$(function(){
  var cursor=$("#cursor");
  var stalker=$("#stalker");
  $(document).on("mousemove",function(e){
    var x=e.clientX;
    var y=e.clientY;

    cursor.css({
      "opacity":"1",
      "top":y+"px",
      "left":x+"px"
    });

    setTimeout(function(){
      stalker.css({
        "opacity":"1",
        "transform":"translate("+x+"px,"+y+"px)"
      });
    },100);
  });

  $("a").on({
    "mouseenter": function() {
      cursor.addClass("active");
      stalker.addClass("active");
    },
    "mouseleave": function() {
      cursor.removeClass("active");
      stalker.removeClass("active");
    }
  });
});