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