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