body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 2rem;
  }
  
  header h1 {
    margin-bottom: 0.2rem;
  }
  
  nav a {
    margin-right: 0.75rem;
  }
  
  table {
    border-collapse: collapse;
    margin-top: 1rem;
  }
  
  th, td {
    border: 1px solid #aaa;
    padding: 0.3rem 0.6rem;
  }  
  
  .inactive {
    opacity: 0.45;
}