body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
  }

  h1 {
    color: #333;
    margin-top: 40px;
    font-size: 36px;
  }

  .search-bar {
    margin-top: 20px;
  }

  .search-bar input[type="text"] {
    padding: 8px;
    font-size: 16px;
  }

  .search-bar input[type="submit"] {
    padding: 8px 16px;
    font-size: 16px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
  }

  .search-results {
    margin-top: 20px;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .search-results p {
    display: inline-block;
    margin: 0 8px 8px;
    color: #333;
    text-decoration: none;
  }


  article {
    margin: auto;
    max-width: 1100px;
    color: #000;
    padding: 20px;
    border: 1px dashed #000;
  }

  article h2 {
    padding-left: 10px;
    border-left: solid 3px #000;
  }

  h1 {
    text-align: center;
    color: #000;
  }


.button-main {
    background-color: #007BFF;
    color: white;
    padding: 20px 50px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: inline-block;
    text-transform: uppercase;
    font-size: 25px;
}

.button-main:hover {
    background-color: #218838; /* Màu khi hover */
    transform: scale(1.05); /* Phóng to nhẹ */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3); /* Đổ bóng mạnh hơn */
}