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