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