body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

/* Default menu buttons */
a.btn {
  text-decoration: none;
  display: inline-block;
  background: #ffffff;
  color: #ff0000;
  border: 2px solid #ccc;
  padding: 5px 5px;
  margin: 6px 6px; /* ✅ changed from margin: 0 5px */
  border-radius: 12px;
  transition: all 0.3s ease;
  font-weight: 500;
}


/* Hover effect */
a.btn:hover {
  background: #e74c3c; /* red */
  color: #ffffff;
  border-color: #e74c3c;
}

/* Active/current page (manually set class="btn active" in nav) */
a.btn.active {
  background: #2b2b2b;
  color: #ffffff;
  border-color: #2b2b2b;
}
header {
  position: sticky;
  top: 0;
  background-color: white; /* So it doesn't become transparent */
  z-index: 1000;           /* Stay on top */
  padding: 10px 20px;      /* Optional: add some spacing */
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
}