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