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<html><head><style>a[target] { background-color: yellow;}#myDIV { border: 1px solid black;}</style></head><body><p>The CSS selector a[target] makes sure that all links with a target attribute gets a yellow background:</p><div id="myDIV"> Three links inside div: <a href="https://www.w3schools.com">w3schools.com</a> <a href="http://www.disney.com" target="_blank">disney.com</a> <a href="http://www.wikipedia.org" target="_top">wikipedia.org</a></div><p>Click the button to add a red border to the first link that has a target attribute inside the div element.</p><button onclick="myFunction()">Try it</button><script>function myFunction() { var x = document.getElementById("myDIV"); x.querySelector("a[target]").style.border = "10px solid red";}</script></body></html>