body {
  margin: 0;
  font-size: 75%;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #EFEEE9;
}

canvas {
  display: block;
  vertical-align: bottom;
}


.middle {
  position: absolute;
  z-index: 10;
  left: 0;
  right: 0;
  margin-left: auto;
  margin-right: auto;
  padding-top: 40px;
}

/* ---- particles.js container ---- */

#particles-js {
  position: relative;
  width: 100%;
  height: 500px;
  background-color: #EFEEE9;
  background-image: url("");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
}