body {
  background-color: white;
  color: black;
  font-family: Verdana;
  
.right-nav {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
}

.right-nav a {
  background-color: #333;
  color: white;
  text-decoration: none;
  padding: 15px 20px;
  margin: 5px 0;
  text-align: center;
  font-family: Arial, sans-serif;
  transition: background 0.3s;
}

.right-nav a:hover {
  background-color: #555;
}
.bottom-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}

.bottom-banner img {
  width: 100%;
  height: 120px; /* change banner height here */
  object-fit: cover;
  display: block;
}