body {
  background-color: #f9f9f9;
  padding-top: 40px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.titulo {
  color: #2c3e50;
  margin-bottom: 10px;
}

.subtitulo {
  font-size: 1.25rem;
  color: #555;
}

.subtexto {
  font-size: 1rem;
  color: #777;
}

.card {
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.footer {
  font-size: 14px;
  color: #999;
  text-align: center;
  margin-top: 60px;
}