* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

section {
    padding: 20px;
    text-align: center;
}

section#about {
    background: #f4f4f4;
}

.profile-pic {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-top: 10px;
}

section#contact {
    background: #fff;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}