/* Seletor de tag */
body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f0f4f8;
  margin: 0;
  padding: 0;
}

/* Seletor de id */
#titulo-principal {
  text-align: center;
  color: #0a3d62;
}

/* Seletor de classe */
.texto-destaque {
  background-color: #fff7e6;
  border-left: 4px solid #ff9800;
  padding: 10px;
}

/* Seletor de atributo */
article[data-tipo="projeto-pessoal"] {
  background-color: #ffffff;
  margin: 12px 0;
  padding: 12px;
  border-radius: 4px;
}

/* Seletor de descendente */
nav ul li a {
  text-decoration: none;
  color: #0b5345;
}

/* Hover */
nav ul li a:hover {
  text-decoration: underline;
}

/* Estilo para o footer */
footer {
  text-align: center;
  padding: 10px;
  background-color: #222831;
  color: #f8f9fa;
}