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