To select elements with an attribute, use the CSS [attribute] selector.
For example, alt attribute or a target attribute, etc.
You can try to run the following code to implement the CSS[attribute] selector,
Example
<!DOCTYPE html>
<html>
<head>
<style>
img[alt] {
border: 3px solid orange;
}
</style>
</head>
<body>
<img src = "https://www.tutorialspoint.com/videotutorials/images/tutor_connect_home.jpg" height="200" width="200">
<img src = "https://www.tutorialspoint.com/videotutorials/images/tutorial_library_home.jpg" height="200" width="200" alt="Tutorials Library">
</body>
</html>