ilable;     height: -webkit-fill-available;     height: stretch }
.min-height.stretch { min-height: -moz-available; min-height: -webkit-fill-available; min-height: stretch }
.max-height.stretch { max-height: -moz-available; max-height: -webkit-fill-available; max-height: stretch }

canvas { display: block; background: currentcolor }
.test.width canvas,  .test.min-width canvas,  .test.max-width canvas  { width:  100% }
.test.height canvas, .test.min-height canvas, .test.max-height canvas { height: 100% }
</s