body {
  overflow: hidden;
  margin: 0;
  background-color: white;
}
#canvas {
  display:block;
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  box-shadow: rgba(0, 0, 0, 0.25) 0px 14px 28px, rgba(0, 0, 0, 0.22) 0px 10px 10px;
}

#loading {
display:none;
margin: 0;
position: absolute;
top: 50%;
left: 50%;
transform: translateX(-50%) translateY(-50%);
z-index: 99;
width: 100%;
text-align: center;
font-size:1.5em;
font-family: Arial, Helvetica, sans-serif;
color: #5b7314;
}