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