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

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #2e2e6a;
}

ul li {
  float: left;
}

ul li a, .dropbtn {
  display: inline-block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

ul li a:hover, .dropdown:hover .dropbtn {
  background-color: #111;
}

li.dropdown {
  display: inline-block;
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #4a4ab7;
  min-width: 220px;
  z-index: 1;
}

.dropdown-content a {
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {
  background-color: #3333a1;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.submenu {
  display: none;
  position: absolute;
  left: 100%;
  top: 0;
  background-color: #5c5ccf;
  min-width: 200px;
}

.dropdown-item:hover .submenu {
  display: block;
}

footer {
  background-color: #2e2e6a;
  color: white;
  padding: 1.5rem;
  text-align: center;
  font-family: Arial, sans-serif;
}

footer a {
  color: #34c3ef;
  text-decoration: none;
  margin: 0 0.5rem;
  font-weight: bold;
}

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