* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #c7c7cf;
  color: #23232b;
  font:
    15px ui-monospace,
    monospace;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
main {
  width: 100%;
  max-width: 480px;
  background: #e8e8e2;
  border: 2px outset #fff;
  box-shadow: 5px 5px #777;
}
header {
  background: #292934;
  color: #fff;
  padding: 10px 16px;
}
section {
  padding: 24px;
}
h1 {
  font-size: 22px;
}
p {
  line-height: 1.8;
}
label {
  display: block;
  margin: 24px 0 8px;
}
input,
button {
  font: inherit;
  width: 100%;
  padding: 12px;
  border: 2px inset #aaa;
}
button {
  margin-top: 16px;
  border-style: outset;
  background: #ddd;
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  color: #686875;
}
.small {
  font-size: 12px;
}
a {
  color: #26368a;
}
#status {
  padding: 14px;
  border: 2px inset #aaa;
  background: #f6f5eb;
}
[hidden] {
  display: none !important;
}