html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f2f2f2;
  font-family: Calibri;
}

.wrapper {
  margin: 70px auto;
  width: 390px;
}

.wrapper-wide {
  margin: 70px auto;
  width: 660px;
}

input[type=text] {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  overflow: auto;
  padding: 10px;
  width: 100%;
  background-color: #fff;
  border: none;
  border-radius: 2px;
  color: #222;
  font-family: Calibri;
  font-size: 14px;
}

input[type=button] {
  cursor: pointer;
  border: none;
  border-radius: 2px;
  background-color: #0090ff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  padding: 10px;
  color: #fff;
  font-family: Calibri;
  font-weight: 700;
  text-shadow: none;
  text-decoration: none;
  font-size: 14px;
}

input[type=button].button {
  width: 100px;
	margin-left: 10px;
}

input[type=button].button-retake {
	background-color: #9a2ed2;
}

.button-container {
	margin-top: 20px;
	text-align: right;
}

.qrcode-placeholder {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  overflow: auto;
  padding: 10px;
  background-color: #fff;
  border-radius: 2px;
  color: #222;
  font-size: 14px;
  width: 100%;;
}

.wrapper .qrcode-placeholder {
	margin-top: 10px;
	width: 370px;
	height: 370px;
}

.wrapper-wide .qrcode-placeholder {
	position: relative;
	margin-top: 10px;
	width: 640px;
	height: 480px;
	overflow: hidden;
}

.qrcode-preview {
	width: 100%;
	/*max-width: 640px;*/
}

.qrcode-result {
	width: 640px;
	position: absolute;
	left: 0;
	bottom: 0;
	margin: 10px;
	background-color: rgba(0, 0, 0, 0.7);
	color: #fff;
	padding: 20px;
	font-family: Consolas, monospace;
	box-sizing: border-box;
	word-wrap: break-word;
	white-space: pre-wrap;
}

.qrcode-result.error {
	background-color: rgba(210, 46, 46, 0.8);
}

.loader {
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -32px;
	margin-top: -32px;
  border: 8px solid rgba(0, 144, 255, 0.3);
  border-top: 8px solid #0090ff;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}