/* Estilos generales */
body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  margin: 0;
}

#container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  background-color: white;
  padding: 20px;
}

/* Header */
header {
  background-color: #4CAF50;
  color: white;
  padding: 20px;
  text-align: center;
}

/* NAV */
nav {
  background-color: #333;
  padding: 10px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav li {
  margin-right: 20px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

/* Section y Article */
section {
  float: left;
  width: 70%;
  padding: 10px;
}

article {
  background-color: #eaeaea;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 5px;
}

/* Aside */
aside {
  float: right;
  width: 25%;
  padding: 10px;
  background-color: #f9f9f9;
  border-left: 2px solid #ccc;
}

/* Footer */
footer {
  clear: both;
  background-color: #4CAF50;
  color: white;
  text-align: center;
  padding: 10px;
  margin-top: 20px;
  border-top: 3px solid #388E3C;
}