a {
  color: #333;
  text-decoration: none;
}

a:hover {
  color: #111;
  text-decoration: underline;
}

.centro {
  text-align: center;
  margin: 0 auto;
}

.textoConteudo {
  font-size: 19px;
  line-height: 1.5em;
  text-decoration: none;
  color: #666;
  font-family: Helvetica, Arial, sans-serif;
}

.negrito {
  font-weight: bold;
}

.aumento-fonte {
  font-size: 36px;
  color: #444;
}

.marca {
  width: 500px;
  height: 80px;
  max-width: none;
  border: 0;
}