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