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

header {
    background-color: #4CAF50;
    color: #fff;
    padding: 20px;
    text-align: center;
    direction: rtl
}

h1 {
    margin: 0;
}

main {
    padding: 20px;
}

h2 {
    color: #4CAF50;
    margin-bottom: 10px;
}

p {
    margin-bottom: 20px;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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