html,
body {
  margin: 0;
  padding: 0;
  max-height: 768px;
  font-family: 'Microsoft JhengHei','Droid Sans Mono','sans-serif';
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

.header {
  color: #ffffff;
  padding: 30px;
  height: 30px;
  border-bottom: 1px solid #d12333;
}

h1 {
	color: #d12333;
	text-align: center;
	font-size: 10em;
	margin-top: 10px;
  margin-bottom: 20px;
}

h4 {
  text-align: center;
  font-size: 2em;
  margin-top: 0;
}

p.blocktext {
  margin-left: auto;
  margin-right: auto;
  color: gray;
  font-size: 18px;
  text-align: center;
}

a.back-btn {
  margin-top: 30px;
  display: inline-block;
  padding: 10px 30px;
  line-height: normal;
  font-size: 18px;
  text-decoration: none;
  vertical-align: middle;
  text-align: center;
  cursor: pointer;
  color: #ffffff;
  background-color: #d12333;
  border: 1px solid #fa271c;
  box-shadow: 0 4px 0 rgba(251,96,88,0.5);
}
a.back-btn:hover {
  background-color: #ed4957;
}

img.logo {
  width: 150px;
}

img.displayed {
  top: 30%;
  left: 40%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.footer {
	background-color: #d12333;
	text-align: center;
	font-size: 16px;
	color: #ffffff;
	padding: 30px;
	position: fixed;
  bottom: 0;
  height: 20px;
  width: 100%;
	line-height: normal;
}