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