body {
  background-color: #B29A93;
  font-family:sans-serif;
 
  padding:var(--bodymargin);
  margin:0;
}

canvas {
  padding: 0;
  margin: auto;
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}

#stencil,#mask
{
  display:inline-block;
}
#stencil canvas,#mask canvas
{
  max-width : 200px;
}
#outputImage
{
  text-align: center;
}
#outputImage canvas
{
  max-width: calc(100vw - 2*var(--bodymargin));
  max-height:calc(100vh - 2*var(--bodymargin));
  box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, .2);

}