body, html {
    margin: 0px;
    height: 100%;
    overflow: hidden;
    background: rgba(34, 167, 240, .8);
    color:#f26811;
    font: 14px Arial;

}
h1{
  position:absolute;
  margin: 0;
  padding: .5rem;
  font-size: 2rem
}
canvas {
    width: 100%;
    height: auto;
}