Untitled

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Webové stranky - Derka Patrik</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" type="text/css" media="screen" href="main.css">
    <script src="main.js"></script>
</head>
<style>
body {

    background-image: url("backgroundjoj.jpg");
    background-repeat: no-repeat;
    background-size: 1920px 1080px;


}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color:#555;
    box-shadow:0.2rem 0.1rem 1rem #111;
}

li {

    float:left;

}

li a {

    display: block;
    color: #fff;
    text-align:center;
    padding: 14px 16px;
    text-decoration: none;
    text-shadow: 0.09rem 0.08rem 0.02rem #111;
    font-family: Helvetica;
    letter-spacing: 0.25rem;

}

li a:hover {

    background-color: #111;
}

.active {

    background-color: limegreen;

}

li.leva {
    float:right;
}

</style>
<body>
    <ul>
        <li><a href="https://www.google.com">Google</a></li>
        <li><a href="https://www.seznam.cz">Seznam</a></li>
        <li><a href="https://www.mojebanka.cz">KB</a></li>
        <li><a href="https://www.youtube.com">YouTube</a></li>
        <li class="leva"><a class ="active" href="#">O mně</a></li>
    </ul>
</body>
</html>