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