* {
	padding: 0;
	border: 0;	
	margin: 0;
}

html {
	height: 100%;
}

body {
	#background-image: url("bg.jpg");
	background: linear-gradient(blue, pink);
	font-family: "Microsoft YaHei";
	font-size: 14px;
	color: white;
	min-height: 100%;
}

.header {
	width: 0%;
	height: 0px;
}

.main {
	width: 100%;
	position: absolute;
	top: 0px;
	bottom: 40px;
}

.footer {
	width: 100%;
	height: 40px;
	position: absolute;
	bottom: 0px;
}

.centered {
  position: absolute;
  left:50%;
  top:50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.bigWords {
	font-size: 70px;
}

.errWords {
  font-size: 27px;
}

a {
	color: white;
  text-decoration: none;
}