body {
    font-family: 'VT323', monospace;
    color: #fff; /* green text color */
    background-color: #000000; /* black background color */
    width: 800px;
    margin: 0 auto;
  }
  
  /* Add a flashing cursor */
  @keyframes cursor {
    50% {
      border-color: transparent;
    }
  }
  
  .cursor {
    justify-content: center;
    border-right: 2px solid #00FF00; /* green cursor color */
    animation: cursor 1s infinite;
    
  }
  
  /* Add a typewriter-style typing effect */
  @keyframes typing {
    from { width: 0 }
    to { width: 100% }
  }
  
  .typing {
    width: 100%;
    border-right: .15em solid #00FF00; /* green cursor color */
    white-space: nowrap;
    overflow: hidden;
    animation: typing 3s steps(30, end);
  }
  

  header {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    height: 100px;
    text-align: center;
    border-bottom: 2px solid #00FF00; /* green cursor color */
  }
  
  header img {
    height: 150px;
    width: 150px;
    border-radius: 10%;
    margin-right: 20px;
    object-fit: cover;
  }
  
  header h1 {
    font-size: 3em;
    margin: 0;
  }
  
  header h2 {
    font-size: 1.5em;
    margin: 0;
  }
  
  
  
  nav {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    height: 50px;
  }
  
  nav img {
    height: 40px;
    width: 40px;
    margin-right: 20px;
  }
  
  nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  nav li {
    margin: 0 10px;
  }
  
  nav a {
    color: #fff;
    text-decoration: none;
  }
  
  
  main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
  }
  
  section {
    width: 100%;
    margin: 20px 0;
  }
  
  h2 {
    font-family: 'VT323', monospace;
    margin-bottom: 10px;
  }
  
  section#publication {
    width: 100%;
    margin: 20px 0;
  }
  
  section#publication table {
    width: 100%;
    border-collapse: collapse;
  }
  
  section#publication th,
  section#publication td {
    border: 1px solid #ccc;
    padding: 8px;
  }
  
  section#publication th {
    background-color: #333;
    color: #fff;
    text-align: left;
  }
  
  section#publication tr:nth-child(even) {
    background-color: #000000;
  }

  section#certificates img {
    max-width: 100%;
    height: auto;
    object-fit: cover;
  }
  
img {
    max-width: 100%;
    height: auto;
    border-radius: 10%;
    margin-right: 20px;
    object-fit: cover;
  }


a:link,
a:visited {
  color: #fff;
  text-decoration: none;
}

a:hover,
a:active {
  color: #00FF00;
}
section#publication a:link,
section#publication a:visited {
  color: #fff;
  text-decoration: none;
}

section#publication a:hover,
section#publication a:active {
  color: #ccc;
}
  
  footer {
    text-align: center;
    font-size: 0.8em;
    color: #ccc;
    padding: 20px;
  }