body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }
  #container {
    width: 80%;
    max-width: 600px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
  }
  h1 {
    text-align: center;
    color: #333;
    margin-top: 0;
  }
  h2 {
    color: #555;
  }
  ul {
    list-style-type: none;
    padding: 0;
  }
  li {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
  }
  input[type="text"], input[type="date"] {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
    width: 100%;
    margin-right: 5px;
  }
  select {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
    width: 100%;
    margin-right: 5px;
  }
  button {
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
  }
  .filter-container {
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
  }
  .filter-group {
    display: flex;
    align-items: center;
    margin-right: 10px;
  }
  .filter-group label {
    margin-right: 5px;
    color: #666;
  }
  @media (max-width: 600px) {
    #container {
      width: 90%;
    }
  }