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