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