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