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