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