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