<html><head><style>a[target="_blank"] { background-color: yellow;}</style></head><body><h1>Demo of the [attribute=value] selector</h1><p>Links with target="_blank" is styled with a yellow background:</p><a href="https://www.w3schools.com">W3schools.com</a><br><a href="https://www.google.com" target="_blank">Google.com</a><br><a href="https://www.microsoft.com" target="_blank">Microsoft.com</a></body></html>