body {
  background-color: #CCC;
}
h1, h2, p {
  text-align: center;
}
.top-menu {
  background-color: #333;
  padding: 0;
  margin: 0;
}
.top-menu ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap; /* allows wrapping on small screens */
  justify-content: center;
  margin: 0;
  padding: 0;
}
.top-menu li {
  margin: 0;
}
.top-menu a {
  display: block;
  padding: 14px 20px;
  color: white;
  text-decoration: none;
  transition: background 0.3s ease;
}
.top-menu ul li a.active,
.top-menu ul li a:hover {
    color: #ffffff;
    background-color: #FFD400; /* ¡Amarillo clásico de LEGO! */
    border-radius: 4px;
}
.top-menu a:hover {
  background-color: #555;
}
/* Mobile-friendly tweaks */
@media (max-width: 600px) {
  .top-menu ul {
    flex-direction: column; /* stack links vertically */
    align-items: stretch;
  }
  .top-menu a {
    text-align: center;
    border-top: 1px solid #444;
  }
}
.top-menu a.active {
  background-color: #FFD400 !important; /* El amarillo LEGO */
  color: #333333 !important;            /* Texto oscuro para contrastar */
}
.top-menu a.active:hover {
  background-color: #ffe033 !important;
  color: #333333 !important;
} 
.agenda {
  width: 50%;
  max-width: 600px;
  margin: 20px auto; 
  text-align: left;
}
.agenda h2 {
  text-align: center;
}
.agenda ul {
  list-style: none;
  padding: 0;
  text-align: center; 
}
.agenda li {
  padding: 8px;
  border-bottom: 1px solid #333; 
}