body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
}

nav {
    background:#333;
    padding:10px;
    text-align:center;
}

nav a{
    color:white;
    margin:10px;
    text-decoration:none;
}

header {
    background-color: #1e88e5;
    color: white;
    padding: 20px;
    text-align: center;
}

section {
    margin: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
}

h2 {
    color: #1e88e5;
}

footer {
    text-align: center;
    padding: 10px;
    background: #eee;
}