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