body {
  font-family: Arial, sans-serif;
  background-color: #f3f3f3;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0;
}

.top-nav {
  position: relative;
  width: 100%;
  padding: 10px 0;
  border-bottom: 1px solid #ddd;
  background-color: transparent;
}

.top-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.top-nav li {
  display: inline-block;
}

.top-nav li a {
  text-decoration: none;
  font-size: 1.2rem;
  color: black;
  padding: 8px 12px;
  transition: background-color 0.2s ease;
}

.top-nav li a:hover {
  background-color: #ddd;
  border-radius: 6px;
}

.top-nav li.home-icon {
  position: absolute;
  left: 1px;
  top: 50%;
  transform: translateY(-50%);
}

.top-nav ul {
  text-align: center;
  position: relative;
}

  .container {
    text-align: center;
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
  }