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