Element block pseudo-element :before generated with z-index auto font-size 16px border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px border-radius background font-weight normal position absolute width 160px padding 20px cursor default display block transition box-sizing content-box line-height 1 transform float none box-shadow 0px 7px 3px rgba(0,0,0,0.3) height auto overflow hidden