body, html {
    margin: 0;
    padding: 0;
    background-color: #000;
    color: #fff;
    font-family: 'Arial', sans-serif;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
  }
  
  header {
    text-align: center;
    margin-bottom: 50px;
  }
  
  h1 {
    font-size: 3.0em;
    margin: 0.55em 0;
    background: -webkit-linear-gradient(left, #5b66ff, #29ffdb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  p {
    font-size: 1.2em;
    margin: 0.67em 0;
    padding: 20px;
    max-width: 800px;
  }

  img {
    width: 45px;
    height: 45px;
    padding: 10px;
    margin: 15px;
  }

  img.transparent {
    opacity: 1;
  }
  
  .nav {
    margin: 20px 0;
  }

  .assignment a {
    display: block;
    text-decoration: none;
    color: inherit;
  }
  
  .button {
    background: none;
    border: none;
    color: #fff;
    text-decoration: none;
    margin: 11px 10px;
    padding: 11px;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border-radius: 7px;
    background-color: rgb(32, 32, 32);
  }

  .footer {
    display: flex;
    justify-content: center;
    font-size: 0.6em;
    margin-top: 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-link {
    color: inherit;
    text-decoration: underline;
  }
  

  
  .assignment {
    margin: 1px 10px;
    padding: 6px;
    border-top: 4px solid #fff;
  }
  
  .assignment h2 {
    font-size: 1.6em;
    margin: 1.5px;
  }

  .button:hover{
    background-color: #333; 
    cursor: pointer;
    border-radius: 7px;
  }