Element block pseudo-class :active generated with box-sizing content-box height auto background box-shadow 0px 0px 2px rgba(0,0,0,0.5) border 0px rgba(0,0,0,1) solid z-index auto text-shadow 1px 1px 0px rgba(0,0,0,0.25) margin 0px display block float none cursor default overflow visible width auto font-weight normal transition font-size 16px line-height 1 border-radius transform padding 0px position static