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