body {
  font-family: system-ui, sans-serif;
  display: grid;
  place-content: center;
  min-height: 100vh;
  margin: 0;
  text-align: center;
  background: #0f172a;
  color: #e2e8f0;
}

button {
  font: inherit;
  padding: 0.6em 1.4em;
  border: 0;
  border-radius: 999px;
  background: #38bdf8;
  color: #0f172a;
  cursor: pointer;
}