Element block pseudo-element :before generated with border 1px rgba(0,0,0,1) solid position absolute transform opacity 1.00 transition display block background line-height 1 border-radius box-shadow 2px 2px 2px rgba(0,0,0,0.3) z-index auto cursor default width auto float none font-size 16px text-shadow margin 0px padding 0px font-weight normal height auto overflow scroll box-sizing content-box