<html>
<p>
<div id="particles-js"></div>
<script src="http://cdn.jsdelivr.net/particles.js/2.0.0/particles.min.js"></script>
<script src="http://threejs.org/examples/js/libs/stats.min.js"></script>
<style>
  body {
    margin: 0;
    font: normal 75% Arial, Helvetica, sans-serif;
  }
  canvas {
    display: block;
    vertical-align: bottom;
  }
  #particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #222222;
    background-image: url("");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
  }
  .count-particles {
    background: #000022;
    position: absolute;
    top: 48px;
    left: 0;
    width: 80px;
    color: #13E8E9;
    font-size: .8em;
    text-align: left;
    text-indent: 4px;
    line-height: 14px;
    padding-bottom: 2px;
    font-family: Helvetica, Arial, sans-serif;
    font-weight: bold;
  }
  .js-count-particles {
    font-size: 1.1em;
  }
  #stats, .count-particles {
    -webkit-user-select: none;
    margin-top: 5px;
    margin-left: 5px;
  }
  #stats {
    border-radius: 3px 3px 0 0;
    overflow: hidden;
  }
  .count-particles {
    border-radius: 0 0 3px 3px;
  }
</style>
<script>
  particlesJS("particles-js", {
    "particles": {
      "number": {
        "value": 400,
        "density": {
          "enable": true,
          "value_area": 800
        }
      },
      "color": {
        "value": "#fff"
      },
      "shape": {
        "type": "circle",
        "stroke": {
          "width": 0,
          "color": "#000000"
        },
        "polygon": {
          "nb_sides": 5
        },
        "image": {
          "src": "img/github.svg",
          "width": 100,
          "height": 100
        }
      },
      "opacity": {
        "value": 0.5,
        "random": true,
        "anim": {
          "enable": false,
          "speed": 1,
          "opacity_min": 0.1,
          "sync": false
        }
      },
      "size": {
        "value": 10,
        "random": true,
        "anim": {
          "enable": false,
          "speed": 40,
          "size_min": 0.1,
          "sync": false
        }
      },
      "line_linked": {
        "enable": false,
        "distance": 500,
        "color": "#ffffff",
        "opacity": 0.4,
        "width": 2
      },
      "move": {
        "enable": true,
        "speed": 6,
        "direction": "bottom",
        "random": false,
        "straight": false,
        "out_mode": "out",
        "bounce": false,
        "attract": {
          "enable": false,
          "rotateX": 600,
          "rotateY": 1200
        }
      }
    },
    "interactivity": {
      "detect_on": "canvas",
      "events": {
        "onhover": {
          "enable": false,
          "mode": "repulse"
        },
        "onclick": {
          "enable": false,
          "mode": "repulse"
        },
        "resize": true
      },
      "modes": {
        "grab": {
          "distance": 400,
          "line_linked": {
            "opacity": 0.5
          }
        },
        "bubble": {
          "distance": 400,
          "size": 4,
          "duration": 0.3,
          "opacity": 1,
          "speed": 3
        },
        "repulse": {
          "distance": 200,
          "duration": 0.4
        },
        "push": {
          "particles_nb": 4
        },
        "remove": {
          "particles_nb": 2
        }
      }
    },
    "retina_detect": true
  });
  var count_particles, stats, update;
  stats = new Stats;
  stats.setMode(0);
  stats.domElement.style.position = 'absolute';
  stats.domElement.style.left = '0px';
  stats.domElement.style.top = '0px';
  document.body.appendChild(stats.domElement);
  count_particles = document.querySelector('.js-count-particles');
  update = function() {
    stats.begin();
    stats.end();
    if (window.pJSDom[0].pJS.particles && window.pJSDom[0].pJS.particles.array) {
      count_particles.innerText = window.pJSDom[0].pJS.particles.array.length;
    }
    requestAnimationFrame(update);
  };
  requestAnimationFrame(update);
</script>
</p>
</html>