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