body {
  font-family: 'Raleway', sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #f9f9f9;
}

h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  color: #000000;
}

.nombre-sitio {
  text-align: center;
  padding: 1rem;
  background-color: #fff;
  font-size: 2.5rem;
}

.nombre-sitio span {
  color: #4359db;
}

.contenedor-navegacion {
  background-color: #ffffff;
}

.nav-principal {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 0;
}

.nav-principal a {
  color: #000000;
  text-decoration: none;
  font-weight: 700;
}

.nav-principal a.activo {
  border-bottom: 2px solid #fff;
}

.contenido-principal {
  padding: 2rem 1rem;
}

.text-center {
  text-align: center;
  margin-bottom: 2rem;
}

.contenedor-blog {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.blog {
  flex: 2;
}

aside {
  flex: 1;
  background-color: #fff;
  padding: 1rem;
  border: 1px solid #ddd;
}

aside ul {
  list-style: none;
  padding: 0;
}

aside ul li {
  margin-bottom: 0.5rem;
}

aside ul li a {
  text-decoration: none;
  color: #000000;
}

.entrada {
  background-color: #fff;
  margin-bottom: 2rem;
  padding: 1rem;
  border: 1px solid #ddd;
}

.entrada img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.entrada-meta {
  font-size: 0.9rem;
  color: #7f8c8d;
  margin: 1rem 0;
}

.btn {
  display: inline-block;
  background-color: #8cbc00;
  color: #fff;
  padding: 0.5rem 1.2rem;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  margin-top: 1rem;
}

.site-footer {
  background-color: #ffffff;
  color: #050505;
  padding: 2rem 1rem;
}

.grid-footer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-menu a {
  display: block;
  color: #000000;
  text-decoration: none;
  margin: 0.3rem 0;
}

.footer-menu a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .contenedor-blog {
    flex-direction: column;
  }
}