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