/* Basic styles for the page */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

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

header h1 {
  margin: 0;
  font-size: 2.5em;
}

header p {
  font-size: 1.2em;
}

nav.tabs {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

nav.tabs button {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s;
  margin: 5px;
}

nav.tabs button.active {
  background-color: #45a049;
}

main {
  padding: 20px;
}

section.tab {
  display: none;
}

section.tab.active {
  display: block;
  text-align: center;
}

footer {
  text-align: center;
  margin-top: 20px;
}

footer small {
  font-size: 0.8em;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  header h1 {
    font-size: 2em;
  }

  header p {
    font-size: 1em;
  }

  nav.tabs {
    flex-direction: column;
  }

  nav.tabs button {
    width: 100%;
    padding: 15px;
    margin: 5px 0;
  }

  main {
    padding: 10px;
  }

  section.tab {
    margin-top: 20px;
  }

  footer small {
    font-size: 0.7em;
  }
}

/* Larger screen sizes (Tablets and Desktop) */
@media (min-width: 769px) {
  nav.tabs button {
    padding: 15px 30px;
    margin: 5px 15px;
  }
}