body {
    font-family: 'Arial', sans-serif;
    background-color: #f8f9fa;
    color: #333;
    margin: 0;
    padding: 0;
  }
  
  header {
    text-align: center;
    padding: 20px;
    background-color: #0078ff;
    color: white;
  }
  
  main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
  }
  
  #event-list {
    margin-bottom: 20px;
  }
  
  #event-list .event {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  button {
    background-color: #0078ff;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #005bb5;
  }