body {
  background-color: #f8f9fa;
}

header h1 {
  font-size: 2rem;
}

section {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.progress {
  height: 30px;
}

.progress-bar {
  font-weight: bold;
}