body {
    margin: 100px;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f9; 
    

}


h1 {
    text-align: center;
    color: #2c3e50;
}

h2 {
    color: #34495e;
    border-bottom: 2px solid #3498db;

}

section {
    background-color: #ffffff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px; 

}


hr {
    margin: 20px 0;
}

footer {
    font-size: 1em;
    color: #7f8c8d;
}