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