body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  color: #333;
}

.top-bar {
  background-color: #2c3e50;
  color: #ffffff;
  padding: 16px;
  font-size: 1.5em;
  font-weight: bold;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 50px;
  gap: 20px;
}

.link {
  text-decoration: none;
  color: #2c3e50;
  font-size: 1.2em;
  border: 2px solid #2c3e50;
  padding: 10px 20px;
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

.link:hover {
  background-color: #2c3e50;
  color: #ffffff;
}