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