html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #ffffff;
  color: #111111;
}

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}

.site-header,
.site-footer {
  border-bottom: 1px solid #e5e5e5;
}

.site-footer {
  border-top: 1px solid #e5e5e5;
  border-bottom: 0;
}

.brand {
  font-weight: 600;
}

.panel {
  padding: 24px 0;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
}

input,
button {
  padding: 10px 12px;
  font-size: 16px;
}