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