I'm working on updating a site that currently has four boxes that act as buttons in a row; except they're using a image map to do it. I'd like to transform it to a CSS solution so it's not so much of a drain and is more accessible friendly. How can something like this be done? I know it's possible to do it vertically but horizontally....
Here is a artist rendition of how it looks now. The sizes aren't exact but you get the diagonal idea...