:root {
  --texto: #1f2933;
  --fundo: #ffffff;
  --link: #1f3a5f;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  padding: 1rem;
  font-family: system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--texto);
  background: var(--fundo);
}

main,
footer {
  max-width: 40rem;
  margin: 0 auto;
  overflow-wrap: anywhere;
}

a {
  color: var(--link);
}

a.acao {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 1rem;
  border: 0.125rem solid var(--link);
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
}

a:focus-visible {
  outline: 0.1875rem solid var(--link);
  outline-offset: 0.125rem;
}