Element block pseudo-class :active generated with margin 0px line-height 1 transition cursor default font-weight bold background padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none font-size 34px box-sizing content-box overflow hidden position static border-radius display block height 40px z-index auto border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform width 40px