body {
  margin: 0;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #1a1a1a;
  padding: 10px;
  text-align: center;
}

header img {
  max-height: 80px;
}

nav {
  background-color: #333;
  text-align: center;
}

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.menu > li {
  position: relative;
}

.menu > li > a {
  display: block;
  padding: 14px 20px;
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
}

.menu > li > a:hover {
  background-color: red;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #333;
  min-width: 200px;
  list-style: none;
  padding: 0;
  z-index: 1000;
  text-align: left;
}

.submenu li a {
  display: block;
  padding: 10px 20px;
  color: white;
  text-decoration: none;
  font-size: 1rem;
}

.submenu li a:hover {
  background-color: red;
}

.has-submenu:hover .submenu {
  display: block;
}

.content {
  padding: 20px;
  text-align: center;
}

.content img {
  max-width: 90%;
  height: auto;
  border: 2px solid #ccc;
}

footer {
  background-color: #1a1a1a;
  color: white;
  text-align: center;
  padding: 10px;
  margin-top: auto;
}
    .banner-image {
      position: absolute;
      left: 20px;
      top: 50%;
      transform: translateY(-50%);
      max-width: 500px;
      height: auto;
    }