To style links on mouse over with CSS, use the CSS: hover selector. You can try to run the following code to implement the: hover, selector,
Example
<!DOCTYPE html>
<html>
<head>
<style>
a:hover {
background-color: orange;
}
</style>
</head>
<body>
<a href = "https://www.google.com">Google</a>
<p>Keep the mouse cursor on the above link and see the effect.</p>
</body>
</html>