* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f2f2f2;
  }
  
  .container {
    text-align: center;
    background: white;
    padding: 25px;
    border-radius: 10px;
    width: 300px;
  }
  
  .box {
    height: 150px;
    width: 100%;
    border-radius: 8px;
    margin: 15px 0;
    background: linear-gradient(#000000, #ffffff);
  }
  
  button {
    padding: 10px 15px;
    border: none;
    background: #333;
    color: white;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background: #555;
  }
  
  p {
    margin-top: 10px;
    font-size: 14px;
  }