Custom style for cursor on web UX

custom-cursor.html

<!-- HTML -->
<div id="follower">
  <div id="circle1"></div>
  <div id="circle2"></div>
</div>
<!-- CSS -->
#follower {
  position: absolute;
  top: 50%;
  left: 50%;
}
#follower #circle1 {
  position: absolute;
  -webkit-animation: pulse 2s infinite; /* Chrome, Safari, Opera */
  animation: pulse 2s infinite;
  background: #fff;
  border-radius: 50%;
  height: 0em;
  width: 0em;
  margin-top: 0em;
  margin-left: 0em;
}
#follower #circle2 {
  position: absolute;
  -webkit-animation: pulse 4s infinite; /* Chrome, Safari, Opera */
  animation: pulse 4s infinite;
  background: rgba(200,0,0,0.8);
  border-radius: 50%;
  height: 0em;
  width: 0em;
  margin-top: 0em;
  margin-left: 0em;
}
@-moz-keyframes pulse {
  0% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
  50% {
    opacity: 0.9;
    height: 3em;
    width: 3em;
    margin-top: -1.5em;
    margin-left: -1.5em;
  }
  100% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
}
@-webkit-keyframes pulse {
  0% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
  50% {
    opacity: 0.9;
    height: 3em;
    width: 3em;
    margin-top: -1.5em;
    margin-left: -1.5em;
  }
  100% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
}
@-o-keyframes pulse {
  0% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
  50% {
    opacity: 0.9;
    height: 3em;
    width: 3em;
    margin-top: -1.5em;
    margin-left: -1.5em;
  }
  100% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
}
@keyframes pulse {
  0% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
  50% {
    opacity: 0.9;
    height: 3em;
    width: 3em;
    margin-top: -1.5em;
    margin-left: -1.5em;
  }
  100% {
    opacity: 0.2;
    height: 1em;
    width: 1em;
    margin-top: -0.5em;
    margin-left: -0.5em;
  }
}
<!-- Javascripts -->
(function () {
    var follower, init, mouseX, mouseY, positionElement, printout, timer;
    follower = document.getElementById('follower');
    printout = document.getElementById('printout');
    mouseX = function (_this) {
        return function (event) {
            return event.clientX;
        };
    }(this);
    mouseY = function (_this) {
        return function (event) {
            return event.clientY;
        };
    }(this);
    positionElement = function (_this) {
        return function (event) {
            var mouse;
            mouse = {
                x: mouseX(event),
                y: mouseY(event)
            };
            follower.style.top = mouse.y + 'px';
            return follower.style.left = mouse.x + 'px';
        };
    }(this);
    timer = false;
    window.onmousemove = init = function (_this) {
        return function (event) {
            var _event;
            _event = event;
            return timer = setTimeout(function () {
                return positionElement(_event);
            }, 1);
        };
    }(this);
}.call(this));