body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid #f1f1f1;
  width: 100%;
  padding: 0.5rem;
}

.header img.logo {
  max-height: 32px;
}

.header span {
  color: #4e4e4e;
  margin-top: -2px;
}

.container {
  padding: 0.5rem;
  max-width: 500px;
  display: flex;
  flex-direction: column;
}

form#captcha {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.inputGroup {
  display: flex;
  gap: 0.5rem;
}

.inputGroup input {
  flex-grow: 1;
  padding: 0.5rem;
  font-size: 2rem;
  min-width: 10rem;
}