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