body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
  
.container {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
  
header {
    text-align: center;
    margin-bottom: 20px;
}
  
header h1 {
    margin: 0;
    padding: 10px 0;
    font-size: 2.5em;
}
  
.profile-photo {
    border-radius: 50%;
    width: 150px;
    height: 150px;
    margin-top: 20px;
}
  
main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
  
.introduction, .contact {
    background-color: #fafafa;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}
  
.introduction h2, .contact h2 {
    margin-top: 0;
}
  
.contact ul {
    list-style: none;
    padding: 0;
}
  
.contact ul li {
    margin-bottom: 10px;
}
  
.contact ul li a {
    text-decoration: none;
    color: #007BFF;
}
  
.contact ul li a:hover {
    text-decoration: underline;
}
  
footer {
    text-align: center;
    padding: 10px 0;
    background-color: #01A03F;
    color: #fff;
    margin-top: 20px;
}