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