docs/render/canvas.css
* {
  font-family:  -apple-system, BlinkMacSystemFont, sans-serif;
  --color:black;
  --background-color:white;
}

@media(prefers-color-scheme:dark){body{--color:white;--background-color:#111;}}

body {
  display:flex;
  min-height:100vh;
  justify-content: center;
  align-items: center;
  font-size:10vmin;
  margin:0;
  color:var(--color);
  background-color:var(--background-color);
}

canvas:not(.fullbleed) {
  border:1px solid black;
  max-height: 90vh;
  max-width: 90vw;
}

canvas.fullbleed {
  max-height: 100vh;
  max-width: 100vw;
}


.toolbar {
  position:
  absolute;
  top: 16px;
  right: 16px;
  padding: 0;
  font-size: 16px;
  opacity: 0.2;
}

.toolbar:hover {
  opacity:1.0;
}

.toolbar select,
.toolbar a {
  height: 2em;
  border-radius: 3em;
  line-height:2em;
  font-weight: bold;
  padding: 0.25em 0.5em;
  border:1px solid black;
  border-radius: 99em;
  background-color: rgba(0,0,0,0.5);
  color: white;
  margin-left: 0.5em;
  backdrop-filter: blur(3px);
  }

#save {
  cursor:
  pointer;
  padding: 0.25em 0.5em;
  text-decoration: none;
  text-transform: uppercase;
}
