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