body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f2f2f2;
  }
  
  .container {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    margin-bottom: 20px;
  }
  
  input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  #thumbnailContainer {
    margin-top: 20px;
  }
  
  #thumbnailImage {
    max-width: 100%;
    height: auto;
  }