body{
	overflow: hidden;
	color:#999;
}
canvas{
  display: block;
  margin: 20px auto;
  border: 1px solid black;
  background: #558;/*  #d2b3b3 */
}
div{
	font-family:'Noto Sans TC', sans-serif;
	font-size: 14px;
	text-align: center;
	font-style: normal;
}