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