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