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