#logo {
  display: block;
  margin: 0 auto;
}

#github-buttons {
  text-align: center;
  margin-top: 2px;
  margin-bottom: 2px;
}

#particles {
  align: center;
  background-color: gray;
  border-style: solid;
  margin: 0 auto;
  width: 800px;
  height: 600px;
  cursor: none;
}