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

.container {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
}

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

ul.practice-list li {
  background: #fff;
  margin: 10px 0;
  padding: 15px;
  border-left: 5px solid #333;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
}

ul.practice-list li a {
  text-decoration: none;
  color: #000;
  font-weight: bold;
}

ul.practice-list li a:hover {
  color: #007acc;
}