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