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