Element block pseudo-element :before generated with overflow visible transform font-size 100% cursor default float none width 0px text-shadow 1px 1px 2px rgba(0,0,0,0.5) line-height normal box-sizing content-box background padding 0px opacity 1 height 0px margin 0px font-weight normal z-index auto position relative border 100px rgba(0,0,0,0) solid display block transition box-shadow border-radius outline none