body {
  background-image:linear-gradient(rgba(0, 0, 0, 0.6),rgba(0, 0, 0, 0.6)),url("https://www.cvsea.cn/bing/uhd.php");
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center center;
  }
  
  .container {
    max-width: 800px;
    margin: 32px auto;
    padding: 32px;
    margin: 0 auto;
    text-align: center;
    font-family: Georgia, "Times New Roman", Times, serif;
    color: yellow;
  
    box-shadow: 0 0 10px rgba(234, 91, 91, 0.3);
  }
  
  h1,
  .button {
    font-family: "Helvetica Neue", sans-serif;
  }
  
  form {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
  }
  
  label,
  input[type="file"] {
    transition: all 0.3s ease-in-out;
  }
  
  label:hover,
  input[type="file"]:hover {
    color: #3e8e41;
    cursor: pointer;
  }
  
  .button {
    font-size: 24px;
    font-weight: bold;
    background-color: #af7f4c;
    color: #fff;
    border: none;
    padding: 16px 32px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
  }
  
  .button:hover {
    background-color: #3e8e41;
  }
  
  #result {
    margin-top: 48px;
    font-size: 24px;
    line-height: 1.5;
  }