محرر ويب أونلاين

<!DOCTYPE html>
<html>
	<head>
		<style>
body {
    margin: 0;
}

ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    background-color: #282a35;
    overflow: hidden;
    position: sticky;
    top: 0;
    width: 100%;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    padding: 12px 16px;
    text-decoration: none;
}
            
li a:hover:not(.active) {
    background-color: black;
}

.active {
    background-color: darkcyan;
}
		</style>
	</head>
	<body>
        <h1 style="padding: 15px;">Sticky Navigation Bar</h1>
        <ul>
            <li><a href="#home">Home</a>
            <li><a href="#services">Services</a>
            <li><a href="#contact">Contact</a>
            <li><a href="#about" class="active">About</a>
        </ul>
        <div style="padding: 0 15px 2000px 15px;">
		    <p>scroll down to see how the navbar will stick at the top.</p>
		    <p>scroll down to see how the navbar will stick at the top.</p>
		    <p>scroll down to see how the navbar will stick at the top.</p>
		    <p>scroll down to see how the navbar will stick at the top.</p>
		    <p>scroll down to see how the navbar will stick at the top.</p>
		    <p>scroll down to see how the navbar will stick at the top.</p>
        </div>
	</body>
</html>