The CSS allows you to specify how wide and tall the box is, and you can apply the style to any boxes you choose. Start your text editor program and open the document that has the checkboxes.

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes.

Changing a check-box control to a drop-down list is generally a straightforward process. You can easily alter the HTML markup code for your website form, capturing the data you need.