body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 600px;
}

h2 {
  color: #4caf50;
  /*text-align: center;*/
}

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

li {
  background: #e8f5e9;
  margin: 10px 0;
  padding: 10px;
  border-radius: 4px;
}

li strong {
  color: #2e7d32;
}

li.empty {
  color: #757575;
}

a {
  display: block;
  text-align: center;
  margin: 20px 0;
  padding: 10px 20px;
  background-color: #4caf50;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

a:hover {
  background-color: #45a049;
}