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