body {
  font-family: sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  border-bottom: 1px solid #ddd;
  padding-bottom: 8px;
}

button,
input[type="submit"],
.button-link {
  display: inline-block;
  padding: 8px 14px;
  margin-top: 12px;
  font-size: 12pt;
}

.debug-message {
  color: #666;
  background: #f5f5f5;
  padding: 8px;
}

.alert {
  border: 1px solid;
  border-radius: 4px;
  padding: 12px 16px;
  margin: 16px 0 24px;
  font-weight: 600;
}

.alert-error {
  color: #842029;
  background: #f8d7da;
  border-color: #f5c2c7;
}