Exerdise 3-3 In addlition to hover pseudo-class, there are pseudo classes like focus, link and vislted. For pseudo classes and elements refer to In this exercise we will work on focus pseudo class The syntax for writing pseudo class focus is the same as writing hover pseudo class. Once again we use : (colon) rather than . (period). For example to write focus rules for input tag we write input:focus ules..., Just like inputthover (rule..) for hover Write CSS rules to generate a form such as the one below. When the following text boxes and buttons are focused, their background color will change to yellow; when they are hovered, their background color will change to cyan. Last Name: First Name E-mail Address: Submit The figure shows below indicates last name text field was hovered. and box size enlarged as well. The background color changed to cyan Last Name: First Name: E-mail Address: Submit The following screen shot displayed as when last name field was focused (clicked by user). The background color changed to yellow. The box still enlarged Last Name First Name E-mail Address # Submit Clear