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