Element block pseudo-element :before generated with z-index auto height auto font-size 10px box-shadow 1px 1px 1px rgba(0,0,0,0.3) background line-height 1 border 1px rgba(186,186,186,1) solid float none box-sizing content-box margin 0px display block overflow hidden transform border-radius padding 20px position static width 160px cursor default font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition