body { background-color: #555;
  font-family: sans-serif;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  --bodymargin: 5px;
  --wContent: calc(100vw - 2*var(--bodymargin));
  --hContent: calc(100vh - 2*var(--bodymargin));
  margin: 0;
  padding: 0;
  height: 100vh;
   }
canvas { 
  max-width: var(--wContent);
  max-height: var(--hContent);
  box-shadow: 1px 1px 2px 1px rgb(0 0 0 / 20%);
}
#hint {
  text-align: center;
  font-weight: bold;
  font-size: 12px;
  height: 15px;
  width: auto;
  position: fixed;
  z-index: 9999;
  top: 50vh;
  left: 46vw;
  background: #e4e4e4c7;
  padding: 5px;
  display: flex;
  align-items: center;
  border-radius: 5px;
  cursor: pointer;
  margin: var(--bodymargin);
}
#p5_loading { display: flex; justify-content: center; align-items: center; height: 98vh !important; width: 98vh !important;  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif; color: #eee; font-size: 16px; text-align: center; }