particles.json

{
  "particles": {
    "number": {
      "value": 100
    },
    "color": {
      "value": "#4a4da5"
    },
    "shape": {
      "type": "circle",
      "stroke": {
        "width": 1,
        "color": "#ccc"
      }
    },
    "opacity": {
      "value": 0.5,
      "random": true,
      "anim": {
        "enable": true,
        "speed": 0.5
      }
    },
    "size": {
      "value": 1
    },
    "line_linked": {
      "enable": true,
      "distance": 250,
      "color": "#4a4da5"
    },
    "move": {
      "enable": true,
      "speed": 2,
      "direction": "top",
      "straight": false
    }
  },
  "interactivity": {
    "events": {
      "onhover": {
        "enable": true,
        "mode": "bubble"
      }
    },
    "modes": {
      "bubble": {
        "size": 3,
        "duration": 0.4
      }
    }
  }
}