body {
  width: 100%;
  height: 100vh;
  background-color: #000;
  background-image: radial-gradient(circle at top right, rgba(121, 68, 154, 0.13),       transparent),
    radial-gradient(circle at 20% 80%, rgba(41, 196, 255, 0.13), transparent)
}
canvas {
  position: fixed;
  width: 100%;
  height: 100%;
}

.content {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

a {
  position: absolute;
  bottom: 2vmin;
  right: 2vmin;
  color: rgba(255,255,255,0.2);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

h1 {
  color: #fff;
  font-family: Arial;
  margin: 0;
  position: absolute;

  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 50px;
}

.heroMessage {
  color: #fff;
  font-family: Arial;
  font-size: 50px;
  text-align: center;
}