body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;
    color: #333;
}

header {
    background: #222;
    color: white;
    text-align: center;
    padding: 40px;
}

section {
    background: white;
    margin: 20px;
    padding: 20px;
    border-radius: 8px;
}

.profile {
    text-align: center;
}

.profile img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
}

ul {
    list-style-type: square;
}

button {
    background: #0077cc;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    opacity: 0.9;
}

footer {
    text-align: center;
    padding: 20px;
    background: #222;
    color: white;
}