<div id="particles-js" class="snow"></div>
  <div class="trees">
    <div class="merry">
      <h1>Merry Christmas</h1>
    </div>
  <div class="fox">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/25839/critters.svg" width="300px">
  </div>
  <div class="tree">
    <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/25839/tree.svg" width="200px">
  </div>
</div>

@import url('https://fonts.googleapis.com/css?family=Mountains+of+Christmas');

.snow {
  position: absolute;
  z-index: 100;
  width: 100%;
  height: 100%;
}

.trees {
  display: grid;
  grid-template-rows: 50% 1fr;
  grid-template-columns: 1fr 1fr 1fr;
  background: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/25839/trees.svg) repeat-x;
  position: relative;
  width: 100%;
  height: 500px;
}

.merry {
  color: #c84257;
  font-family: 'Mountains of Christmas';
  text-align: center;
  grid-row: 1;
  grid-column: 1/4;
  align-self: center;
  justify-self: center;
  font-size: 6rem;
}

.fox {
  grid-column: 3;
  grid-row: 3;
  align-self: end;
  justify-self: start;
  position: relative;
}

.tree {
  align-self: end;
  justify-self: end;
  grid-column: 1;
  grid-row: 3;
}

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
      },
    },
    "opacity": {
      "value": 1,
      "random": false,
      "anim": {
        "enable": false,
        "speed": 1,
        "opacity_min": 0.1,
        "sync": false
      }
    },
    "size": {
      "value": 10,
      "random": true,
      "anim": {
        "enable": false,
      }
    },
    "line_linked": {
      "enable": false,
    },
    "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": true,
        "mode": "repulse"
      },
      "onclick": {
        "enable": true,
        "mode": "repulse"
      },
      "resize": true
    },
    "modes": {
      "grab": {
        "distance": 400,
        "line_linked": {
          "opacity": 0.5
        }
      },
      "bubble": {
        "distance": 100,
        "size": 4,
        "duration": 0.3,
        "opacity": 1,
        "speed": 3
      },
      "repulse": {
        "distance": 100,
        "duration": 0.4
      },
      "push": {
        "particles_nb": 4
      },
      "remove": {
        "particles_nb": 2
      }
    }
  },
  "retina_detect": true
});