Element block pseudo-element :before generated with z-index auto overflow scroll transition border 0px rgba(0,0,0,1) solid line-height 1 height auto display block width 160px box-sizing content-box margin 0px font-weight normal position absolute border-radius font-size 16px float none transform padding 20px box-shadow 3px 1px 1px rgba(0,0,0,0.3) background text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default