style.css

.container {
    background-color: #2c3e50;
    color: white;
    font-family: Arial, sans-serif;
    padding: 50px;
    text-align: center;
    position: relative;
  }

  body {
    background-color: #2c3e50;
  }

  h1 {
    font-size: 3em;
    margin-top: 0;
  }
  
  a {
    display: block;
    width: 300px;
    margin: 50px auto;
    padding: 20px;
    background-color: #3498db;
    color: white;
    font-size: 1.5em;
    text-decoration: none;
    border-radius: 10px;
    box-shadow: 2px 2px 5px #888888;
  }
  
  a:hover {
    background-color: #2980b9;
  }
  
  .question-mark {
    background-image: url('https://static.vecteezy.com/system/resources/previews/012/174/061/original/3d-question-mark-free-png.png');
    background-size: 100%;
    width: 100px;
    height: 100px;
    position: absolute;
    bottom: 50px;
    right: 50px;
  }

  .questionmark{
    background-color: #ffffff;


  }