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