Element block pseudo-element :before generated with overflow hidden font-size medium font-weight normal padding 0px cursor default border-radius margin 0px box-sizing content-box background width 0px display block transform transition float none line-height normal outline none box-shadow opacity 1 border 100px rgba(0,0,0,0) dashed z-index auto position static height 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2)