Element block pseudo-element :before generated with box-sizing content-box transform font-weight normal z-index auto float none cursor default position static line-height 1 font-size 18px border 1px rgba(0,0,0,1) solid overflow visible border-radius width auto height auto padding 10px transition display block text-shadow box-shadow 1px 1px 2px rgba(0,0,0,0.5) margin 0px background