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