particlesJS('particles-js', {
  "particles": {
    "number": {"value": 50, "density": {"enable": true, "value_area": 800}},
    "color": {"value": "#ffffff"},
    "shape": {"type": "circle"},
    "opacity": {"value": 0.2},
    "size": {"value": 3, "random": true},
    "move": {"enable": true, "speed": 0.2}
  },
  "interactivity": {"detect_on": "canvas", "events": {"onhover": {"enable": false}, "onclick": {"enable": false}}}
});