body {
  padding: 0;
  margin: 0;
  min-height: 100vh;
  font-family: arial, sans-serif;
}
@media(max-width: 400px) {
  body {
  	padding: 10px;
  }
}
.full-height {
  min-height: 100vh;
}
.flex-center {
	align-items: center;
	display: flex;
	justify-content: center;
}
.content {
  max-width: 400px;
}
h2 {
  text-align: center;
}
.code, textarea {
  font-family: "Courier New", "Courier", monospace;
  width: 100%;
  padding: 4px;
  border: 1px #ccc solid;
  border-radius: 4px;
}

form {
  width: 550px;
}
form .field {
	margin-bottom: 10px;
}
form .field:last-child {
	margin-bottom: 0;
}
label {
	display: block;
}
input[type=text], input[type=url], input[type=submit] {
	width: 100%;
	padding: 4px;
}
input[name=action] {
	margin-top: 4px;
}
pre.wrap {
	width: 100%;
	word-wrap: break-word;
	white-space: pre-wrap;
	word-break: break-all;
}
.content {
  max-width: 550px;
}
.group {
	border: 1px #ccc solid;
	border-radius: 10px;
	padding: 20px;
	margin-bottom: 20px;
}
img[aria-hidden=true] {
	display: none;
}
.hidden {
	display: none;
}
.help {
	font-size: 0.7em;
}