body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
}
#ss{
    border-radius: 30%;
    background-color: #444;
    height: 120px;
}
nav {
    background: #444;
    padding: 10px;
    text-align: center;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 20px;
}


section {
margin-bottom: 40px;
}

h2 {
    color: #444;
}

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