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