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