body {
  font-family: system-ui, sans-serif;
  background: #eef2ff;
  color: #172554;
  margin: 0;
  padding: 24px;
}

main {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 24px;
  border-radius: 16px;
}

h1 {
  color: #1d4ed8;
  text-align: center;
}

img {
  border-radius: 16px;
}

a {
  color: #1d4ed8;
}

button {
  font: inherit;
  padding: 10px 16px;
  border: 0;
  border-radius: 8px;
  background: #1d4ed8;
  color: white;
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid #172554;
  outline-offset: 3px;
}