body {
  background: #000;
  overflow: hidden;
}

.firefly {
  width:4px;
  height:4px;
  position:absolute;
  background-color: #ffb700;
  box-shadow:0px 0px 21px 11px #fbc94b;
  border-radius: 50%;
}

.container {
/*   width: 30%; */
  margin: 0 auto;
  height: 90vh;
  position: relative;

}