Related to this - is it possible to do something with pure CSS like shown in the black filter buttons area on this - http://www.siegemedia.com/creation/best-inf

Related to this - is it possible to do something with pure CSS like shown in the black filter buttons area on this - http://www.siegemedia.com/creation/best-infographics http://www.siegemedia.com/creation/best-infographics ?