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