body
 {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #f4f4f4;
  font-family: Arial, sans-serif;
}

.container 
{
  padding: 30px;
  border-radius: 8px;
  background: white;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

button 
{
  margin: 20px 0;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  background-color: #007bff;
  font-size: 16px;
  color: white;
  cursor: pointer;
}

button:hover 
{
  background-color: #0056b3;
}

ul 
{
  padding: 0;
  list-style: none;
}

li 
{
  margin: 5px 0;
  padding: 8px;
  border-radius: 4px;
  background: #e9ecef;
}