body,html,main {
  background-color: rgb(255, 255, 255);
  position: absolute;
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
main {
  display: flex;
  align-items: center;
  justify-content: center;
}
canvas {
  height: auto !important;
  width: auto !important;
  max-width: 100% !important;
  max-height: 100% !important;
  margin: auto;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}
#p5_loading {
  position: absolute;
  overflow: hidden;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: black;
  z-index: 99;
}
#p5_loading img {
  width: 20%;
}