| <!DOCTYPE html> |
| <html lang=en class="reftest-wait"> |
| <meta charset="utf-8"> |
| <title>Selectors Level 4: focus-within</title> |
| <link rel="author" title="Keyong Li" href="mailto:kli79@bloomberg.net"> |
| <link rel="author" title="Florian Rivoal" href="mailto:florian@rivoal.net"> |
| <link rel="help" href="https://drafts.csswg.org/selectors-4/#focus-within-pseudo"> |
| <link rel="match" href="focus-within-006-ref.html"> |
| <meta name="assert" content="Test that :focus-within works on form controls, using an input element."> |
| <style> |
| :focus { |
| outline: none; |
| |
| /* Make the caret invisible |
| since it matches the color of the text, which is transparent, |
| while keeping the text readable thanks to its shadow. |
| Not using the caret-color property as it is too new to be relied on. */ |
| color: transparent; text-shadow: black 0px 0px 0px; |
| } |
| |
| /* Use blue to indicate that the user needs to pay attention. |
| This element needs to be focused for the test to make sense. */ |
| #focusme:not(:focus) { |
| border: solid 15px blue; |
| } |
| |
| #focusme:focus:not(:focus-within) { |
| background: red; |
| } |
| div:focus-within { |
| border: solid 5px green; |
| } |
| </style> |
| <p>Test passes if, when the element below is focused, |
| it is surrounded by a thick green border. |
| There must be no red or blue once it is focused.</p> |
| <div> |
| <div> |
| <div> |
| <input id="focusme" value="Focus this element"> |
| </div> |
| </div> |
| </div> |
| <script> |
| var focusme = document.getElementById('focusme'); |
| focusme.focus(); |
| document.documentElement.classList.remove('reftest-wait'); |
| </script> |
| </html> |
