Element block pseudo-class :active generated with border-radius box-sizing content-box text-shadow 5px 5px 4px rgba(40,40,40,1) padding 20px width 160px font-weight normal border 1px rgba(0,0,0,1) solid font-size 16px margin 0px transition position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto line-height 1 background display block overflow hidden cursor default z-index auto transform float none