<!-- tsParticles container -->
<div id="tsparticles"></div>
<div id="login">
  <h1>YOUR APP</h1>
  <form>
    <div>
      <input type="text" placeholder="Username">
    </div>
    <div>
      <input type="text" placeholder="Password">
    </div>
    <button type="submit">LOGIN</button>
  </form>
</div>
<!-- https://github.com/matteobruni/tsparticles -->
<div class="github">
  <a class="btn btn-link" href="https://github.com/matteobruni/tsparticles" title="Find more info on GitHub">
    <img class="img-fluid" id="gh-mark" src="https://cdn.matteobruni.it/images/particles/GitHub-Mark-120px-plus.png" alt="">
    <span id="gh-project">tsParticles</span>
  </a>
  <div>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles" data-icon="octicon-star" aria-label="Star matteobruni/tsparticles on GitHub">Star</a>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles/fork" data-icon="octicon-repo-forked" aria-label="Fork matteobruni/tsparticles on GitHub">Fork</a>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles/releases/tag/v1.15.1" data-icon="octicon-download" aria-label="Download matteobruni/tsparticles on GitHub">Download</a>
  </div>
</div>
<script async="" defer="" src="https://buttons.github.io/buttons.js"></script>

/* ---- reset ---- */
body {
  margin: 0;
  font: normal 16px Arial, Helvetica, sans-serif;
  color: #333;
}

canvas {
  display: block;
  vertical-align: bottom;
}
/* ---- tsparticles container ---- */
#tsparticles {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}

h1 {
  text-align: center;
  color: #fff;
}

#login {
  background: rgba(255, 255, 255, 0.3);
  padding: 2em;
  border-radius: 10px;
  border: #cccccc solid 2px;
  position: absolute;
  width: 220px;
  top: 10%;
  left: 50%;
  margin-left: -110px;
}

#login input[type="text"],
#login input[type="password"] {
  padding: 7px;
  margin-bottom: 20px;
  border: 1px #ccc solid;
  border-radius: 5px;
  width: calc(100% - 14px);
  display: block;
}

#login button {
  width: 100%;
  padding: 1em;
  border-radius: 5px;
  border: 1px solid #000066;
  background: #fe2323;
  color: #fff;
  font-weight: bold;
}

.github {
  bottom: 10px;
  right: 10px;
  position: fixed;
  border-radius: 10px;
  background: #fff;
  padding: 0 12px 6px 12px;
  border: 1px solid #000;
}

.github a:hover,
.github a:link,
.github a:visited,
.github a:active {
  color: #000;
  text-decoration: none;
}

.github img {
  height: 30px;
}

.github #gh-project {
  font-size: 20px;
  padding-left: 5px;
  font-weight: bold;
  vertical-align: bottom;
}

tsParticles.load("tsparticles", {
  fps_limit: 60,
  background: {
    color: "#333"
  },
  interactivity: {
    detect_on: "canvas",
    events: {
      ondiv: {
        enable: true,
        elementId: "login",
        mode: "bubble",
        type: "rectangle"
      },
      resize: true
    },
    modes: {
      bubble: {
        distance: 400,
        duration: 2,
        opacity: 0.8,
        size: 5,
        speed: 3,
        color: ["#ff0000", "#ff7700"]
      }
    }
  },
  particles: {
    color: {
      value: ["#ffffff", "#1254ef"]
    },
    links: {
      color: "random",
      distance: 150,
      enable: true,
      opacity: 0.4,
      width: 1
    },
    move: {
      collisions: true,
      direction: "none",
      enable: true,
      out_mode: "bounce",
      random: false,
      speed: 5,
      straight: false
    },
    number: { density: { enable: true, value_area: 800 }, value: 80 },
    opacity: {
      animation: { enable: true, minimumValue: 0.1, speed: 1, sync: false },
      random: true,
      value: 0.5
    },
    shape: {
      type: "square"
    },
    size: {
      animation: {
        enable: true,
        minimumValue: 2,
        speed: 1,
        sync: false
      },
      random: {
        enable: true,
        minimumValue: 2
      },
      value: 4
    }
  },
  retina_detect: true
});