body {
  display: flex;
  margin: 0;
  height: 100vh;
}

shader-art {
  display: block;
  width: 100%;
  height: 100%;
}

shader-art canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.dg {
  display: none;
}
.logo {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  pointer-events: none;
}

@media only screen and (min-width: 390px) {
  .logo {
    position: absolute;
    top: 40%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 600px;
    pointer-events: none;
  }
}
/* check for change */