<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: :focus pseudo-class - adjacent sibling selector</title> <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <link rel="help" href="http://www.w3.org/TR/html4/interact/forms.html#h-17.11"> <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#dynamic-pseudo-classes"> <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#adjacent-selectors"> <meta name="flags" content="interact"> <meta name="assert" content="An HTML 4 text input control must be focused in order to enter text into it. The :focus pseudo-class applies to a text input control while it has the focus (accepts keyboard events or other forms of text input)."> <style type="text/css"> span { color: white; } input:focus + span { color: green; } </style> </head> <body> <p>Enter in the text field below with the pointing device or with the keyboard (with the tab key or with the "T" accesskey) and then enter some text into it. A message in green should then have appeared on its right-hand side indicating that such text field has received focus. In order to pass this test, the tester should not have to move the pointing device outside the text field.</p> <div> <input type="text" accesskey="T" tabindex="1"> <span>Focus received by text field</span> </div> </body> </html>