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