html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
}

#particles-js {
  width: 100%;
  height: 100%;
  background: #111111;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}