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