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