* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fdfdfd;
    color: #333;
    line-height: 1.6;
    padding: 20px;
    max-width: 800px;
    margin: auto;
  }
  
  header {
    text-align: center;
    padding: 2rem 0;
  }
  
  h1 {
    font-size: 2.5rem;
    color: #2c3e50;
  }
  
  p {
    margin-top: 0.5rem;
    font-size: 1.1rem;
    color: #555;
  }
  
  section h2 {
    margin-top: 2rem;
    font-size: 2rem;
    border-bottom: 2px solid #ccc;
    padding-bottom: 0.5rem;
  }
  
  ul#log-list {
    list-style: none;
    margin-top: 1rem;
  }
  
  ul#log-list li {
    padding: 1rem;
    margin-bottom: 1rem;
    background: #eaf4fc;
    border-left: 5px solid #3498db;
    border-radius: 5px;
  }
  
  footer {
    text-align: center;
    margin-top: 3rem;
    font-size: 0.9rem;
    color: #aaa;
  }