body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f4f4f4;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #24292e;
    color: white;
}

section {
    margin: 20px 0;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #0366d6;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-bottom: 20px;
}

img {
    max-width: 150px;
    border-radius: 50%;
}

a {
    color: #0366d6;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}