Element block pseudo-element :before generated with background box-shadow 0px 0px 2px rgba(0,0,0,0.5) width auto border 3px rgba(0,0,0,1) dashed cursor default transform overflow visible position static height auto border-radius text-shadow float none font-size 16px box-sizing content-box transition display block margin 0px line-height 1 padding 0px font-weight normal z-index auto