* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  line-height: 1.6;
  padding-bottom: 2rem;
}

header {
  background-color: #333;
  color: #fff;
  padding: 1.5rem;
  text-align: center;
}
  
main {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

section {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
  padding: 1.5rem;
  transition: transform 0.3s ease;
}

section:hover {
  transform: scale(1.15); 
}

section a {
  display: inline-block;
  padding: none;
  background-color: none;
  color: black;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 0;
}

h2 {
  color: #333;
  margin-bottom: 0.5rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #333;
  color: #fff;
}

button {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  font-weight: bold;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background-color: #0077cc;
  color: white;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #005fa3;
}
body.oscuro {
  background-color: #1e1e1e;
  color: #eee;
}

body.oscuro header,
body.oscuro footer {
  background-color: #111;
  color: #ddd;
}
body.oscuro h2 {
  color: #f5f2f2;
  margin-bottom: 0.5rem;
}

body.oscuro section {
  background-color: #2c2c2c;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

body.oscuro button {
  background-color: #555;
  color: #fff;
}

body.oscuro button:hover {
  background-color: #777;
}