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