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