Element block pseudo-class :active generated with border 0px rgba(0,0,0,1) solid padding 20px width 160px position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none font-size 16px margin 0px overflow hidden cursor default box-sizing content-box height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto line-height 1 background display block transition transform border-radius font-weight normal