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Style the element that has focused on CSS
To select the element that has focus, use the: focus selector. You can try to run the following code to implement the: focus selector −
Example
<!DOCTYPE html> <html> <head> <style> input:focus { background-color: green; } </style> </head> <body> <form action = ""> Subject <input type = "text" name = "subject"><br> Student: <input type = "text" name = "student"><br> Age: <input type = "number" name" = age><br> <input type = "submit" value="Submit"> </form> </body> </html>
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