var particles = Particles.init({
	selector: '.background',
  color: ['#586e75', '#657b83', '#839496', '#93a1a1', '#eee8d5', '#fdf6e3', '#b58900', '#cb4b16', '#dc322f', '#d33682', '#6c71c4', '#268bd2', '#2aa198', '#859900'],
  connectParticles: true
});

<canvas class="background"></canvas>

html, body { height: 100% }

body {
  background-color: #002b36;
}

h1 {
  text-align: center;
}

.background {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
}